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TADASHI YOSIMURA ARCHITECTS is an architecture office established in 2008 by Tadashi Yoshimura (born in Japan) and Yihsuan Lin (born in Taiwan) at Nara, Japan. We work in an old-fashioned traditional Japanese townhouse which was a pharmacy, built about 200 years ago. We are now doing several projects, residence, renovation, town-planning, Sake storehouse, etc, utilizing local materials and traditional skills for our creation, combining the tradition and the modern. We collaborate with skilled craftsmen such as carpenters, plasterers, painter craftsmen, furniture craftsmen who have wonderful skills, to assemble the design but not the abstract concept . In that sense we are close to a craftsman group than an architect.Actually our design often inspired by the local materials such as wood, plaster, washi (Japanese traditional paper). Especially, wood from Nara prefecture is a wonderful material that can be used from structure to finish, and we use it for almost all projects. We developed several new beautiful wood structure systems that we have never seen before while working with structural engineers ,by combining traditional wooden framing techniques used in old architecture in Nara with modern technology, These structures can be assembled simply by local craftsmen, use wood available in nearby mountains without requiring any special technique. And also We devised a special wooden system to create walls that are easy to disassemble and reassemble wherever needed. We believe that this structural system can be applied to temporary buildings in case of disasters such as earthquakes occurred in Japan, and we are still continuing to research and develop.Besides, not only in Japan but also in Korea and in Taiwan we have proposed several projects that architecture is as part of landscape, utilizing local building techniques and materials.

吉村理建築設計事務所は、奈良中部を拠点に活動している一級建築士事務所です。想像力をかきたてられる多くのモノにあふれた約200年前に建立された古い町家を事務所にして様々な設計活動を行っています。日本の伝統技術や地場の素材を現代的なデザインと融合し、店舗・酒蔵・ギャラリー・住宅のほかリノベーション・まちづくりなど様々なプロジェクトを実現しようとしています。関西圏にとどまらず日本各地でプロジェクトを提案し、更に日本のみならず韓国や台湾等の海外でもその土地の伝統工法や地元の材料を利用し、建築が周辺環境と一体となるような計画を提案してきました。

Selected Works

Hanauchiya Renovation -Revitalize the “Machiya” (*1) in town again-

There are many areas in Japan where the aging society advances and the closed community becomes a problem. This house is renovation of a “Machiya” built more than 180 years ago in the town which has the same problem while the traditional industry and traditional cityscape remain. The characteristic of this house is “Doma”(*2). Doma has a multipurpose function to create a place where “new exciting things” are born, which is difficult by the conservative only “public” or only “private”, and it exists to release this house to the town. Here, they exhibit installations in collaboration with neighboring people, or use Doma as a gallery and tea ceremony.(*1 ) “Machiya” : Japanese traditional building type of dwellings of merchants and craftsmen in town built directly facing the road.(*2 )“Doma”: A space indoor, leaving the floor without paved or finishing with plaster (stucco) or concrete and tiles. It is usually used with shoes. In Japanese traditional houses, it was used for multipurpose as workspace such as cooking, aisles and storage.In the past, this Machiya was running a business of Kimono’s clothing with a shop name ” Hanauchiya”. The area of the site is over 600 ㎡, besides the families,the employees always stayed overnight, and many of the guests and neighboring people frequently visiting. Without distinguishing between public and private, Machiya created exuberant energy. What I do this time is to make a mechanism to create liveliness again in town.Removing the old walls and old doors to open and connect the rooms with each other through the Doma and the spot garden. From town
street to the residential area ,they continue without distinguishing between inside and outside, old and new. The installation expanded to the residential area where people enter freely and discuss in the tatami rooms and sometimes tourists come into the garden aimlessly.In order to keep updating use in the future, all materials from finish to structural reinforcing members can be easily assembled by wedge etc , without using adhesive , so that they can be disassembled and reusable. They are made by Japanese cedar, Japanese cypress available in the neighborhood, we also reuse existing old mud wall and other materials as much as possible. Recycled mud has a function to adjust the
extremely high humidity and wood frame bound with wedge is seismic reinforced wall as bookshelf or cupboard as well.Having a place where other people outside family can enter the house freely is a revitalization of the connections of the people of the town that should originally live together. Coming and going to the house freely and have conversations to enjoy the town. So many people come to this town from outside and closed things are opened, and the liveliness is born.(photo by Hitoshi Kawamoto)
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New layer into thatched roof

This is a renovation of a 100-year-old building which has a traditional roof form called “Yamato-roof” into a two-family house. “Yamato-roof” characterized by steeply-pitched thatched roof with a lower tile roof. Many buildings with Yamato-roof built in the middle Edo period (1700) are distributed in the southern part of Osaka and Nara. By inserting a new layer made of 9 mm structural plywood like a nest into the house with a Yamato-roof, we solve the problems of structure, environment and function at the same time.◇Structure: The new layer is made of a monocoque structure with a roof, a wall and a floor united by 9 mm plywood, and it bears seismic load.◇Environment: Move the air slowly and slowly between the new layer and the existing external wall and roof surface, and adjust it finely by opening and closing the 33 pieces of windows provided on the new layer to create a comfortable environment.◇Function: The inside of the new interface play a role of the function space of each family, while the outside is a nonfunctional void space where you can feel the signs of each other while moving air or light by opening and closing the windows.Recently we cannot see the thatched roof of “Yamato-roof” because of covering and protecting with a galvanized iron roof due to the difficulty of maintenance. Originally the thatched roof played a rule of cooling by vaporization heat.This time the thatched roof of “Yamato-roof” appears again, humidify the air. We can see beautiful scenery of “Yamato-roof” again(photo by Sasakura Yohei
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Nishikura

It is a Sake storehouse that the owner’s house and a tasting room are hang from the hut trass of the roof.It is located at the west side of the storehouse built in the Kyoho Era. By stretching out ‘sintuka’ pillars from six pieces of hut trass and connecting with the second-floor’s beams, a space of 9m*15m without pillars is created for the storehouse at the first floor and same area is available at the second floor.To keep a vacant area for outwork, the upper space of the storehouse is used for other use different. NishiKura is buildt by the general traditional method of wooden construction and made only with materials circulated. Carpenters specialized in houses used local cedars to build a beautiful wooden trass without depending on the hardware considering fire.
As splendid wooden sake breweries existing adjacent to Nishi Kura , changing their internal functions with the times. We plan Nishi Kura for continued using while changing of the future function and can sustain for a long term. By following the design of the Kyoho Era Sake breweries , the past sake breweries and the street atmosphere are connected. The outwork space is sometimes used by the event of the town and NishiKura becomes a good background.A tasting room is set next to the residence where visitors can talk with brewers directly , intend to have relation with the town positively.
(photo by Sasakura Yohei
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Wood block House

The house is designed for an elderly married couple, and their grand children that occasionally stay with them.The site is located in a housing district developed 30 years ago that kept the natural land form. Around the site, we can see beautiful retaining wall made of granite. I try to extend the exterior topography to the interior of the building.If day light diminishes, the shape of the structural shear wall that creates a relationship to the site’s stone wall , is projected onto the glass façade.Similar to retaining stone walls, this wall is best play equipment that kids enjoy to clime, pass under the hole , sit, and see distant scenery.
A Structural shear wall system of wooden blocks
This structural shear wall consists of ship-shaped wooden blocks. These blocks can be easily stacked without the help of skilled workers, and can be disassembled and assembled in different location if necessary. (photo by Hitoshi Kawamoto)

Wooden Wickerwork Wall System

I devised a Wooden Wickerwork Wall System to divede rooms as well as to serve as structural walls of the house. Each section is comprised of one tatami-size (900x1800mm)clip that weaves together to create walls that are easy to disassemble and reassemble wherever needed, with the exterior walls able to bear seismic load. The walls have openings where children can play or sit to look out in the distance, with breeze and light freely flowing through.
The wooden clip is made of mass-produced materials, such as plywood and triple-layer cross-laminated panels. By keeping the details simple, the clip is easy to duplicate or add on when necessary for renovation. To reduce labor, clips are factory-made just like furniture and ready to be assembled at the construction site.Wood is a commonly used material and is versatility makes it suitable for a variety of applications. This is an attribute that other materials like iron or concrete do not have. By designing work that optimizes the versatility of wood, such as this Wooden Wickerwork Wall System, I think that architects can create designs that are closely related to today’s diverse lifestyles as well as our ever-changing cityscapes. (JA 89 spring 2013)

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House in Hanayoshino

20年前に山を切り開き開発された吉野山に程近い分譲地の外れに建つ住宅。プライベートなお客さんを食事やお酒でもてなす為のピザ釜やバーカウンターなどを設えた、通りに向かって全開する大きな三和土を併設している。周囲は吉野山や標高1000mを超える金剛山、葛城山に囲まれており、遠方に目を向けるとそれらの山々の景色を楽しむ事が出来る。一方近くに目を向ければ赤茶かグレイ色の屋根に茶系の壁を標準仕様とした切妻あるいは寄棟のほぼ同形状の2階建て木造住宅が建ち並ぶ。同じような型の2棟の家が前後に並ぶ姿は、周辺の分譲地のタイポロジーに溶け込んでいるようにも見えるし、2つのピークをもつ屋根のジオメトリーは金剛山、葛城山の山並みにも見える。床・壁・天井の1方向連続面がひとつの緩やかなまとまりを作り、そのまとまり同士が床・壁・天井のいずれかを共有しており、地形の特徴を表わす言葉で表現できるような場所が内外のあちらこちらに生まれている。造成により撤去されたであろう地場産の巨石を再びここに据え付け、基礎の残土を塗り重ね、新しい地形を作っている。街外れの造成地を、建物と一体化した開放的なランドスケープにより再生し、周囲の環境に魅力を与え活性化の起爆剤になる事を目指している。(写真撮影 笹の倉舎 笹倉洋平
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TADASHI YHOSIMURA INTERVIEW WITH j.j.magazine GRAND HYATT SEOUL
1. Please Introduce ‘TADASHI YOSIMURA ARCHITECTS’ To Us.
TADASHI YOSIMURA ARCHITECTS is a Nara, Japan-based architecture office founded by Tadashi Yoshimura and Yihsuan Lin in 2006. We work in a former pharmacy, an old-fashioned traditional Japanese townhouse built about 200 years ago. We are now doing several projects, residence, renovation, town-planning, etc, utilizing local materials and traditional skills for our creation. Besides, not only in Japan but also in Korea and in Taiwan we have proposed several projects that architecture is as part of landscape, utilizing local building techniques and materials.
2. What Is Most Important To You When It Come To Building House?
First, residents feel safe, relax, rich, happy. Second, building connects to environment and nature.
3. The ‘WOOD BLOCK HOUSE’ Series Jump Off the Page. What Motivated You To Start This Project?
We are interested in integration traditional and contemporary. In Japan there are a lot of beautiful wooden buildings utilizing traditional wooden construction skills. But nowadays because of speed and cost, most houses are built without traditional techniques.
4. What Were You Trying to Portray Through ‘WOOD BLOCK HOUSE’ Project?
We were trying to integrate traditional skills and modern materials, creating new wooden structural system on limited budged, speedy. This structural wall consists of several wooden blocks that can be easily stacked without the help of skilled workers, and be disassembled and assembled in different location if necessary in the future. Now we try to apply this wooden block system to fast shelter after earthquakes.
5. Do You Believe That Architecture Could Be a Vital Element to change Social Environment?
I think that architecture is one of several important factors to change social environment. Today resources are limited, so we have to be aware of impact of architecture on nature and environment.
6. Building Nowadays Are Sky-high and Gigantic. Curved and Warped Lines Exude Beauty Whereas Candidly Straight Lines Loose Charm. Populated By Intimidating and Capacious Buildings Are The Urban Setting of Today. It Looks More Like a Construction Site Than Architecture?
It is important that architecture connects to its context. Not understanding the context makes ‘architecture’ just only ‘building’.
7. Could The Height of a Building Become a Standard To Distinguish Social Hierarchy?
In our time, not competition for impact of form but harmony with environment becomes a standard.
8. Recent Architecture Seldom Feels As If Is Built Not for the People but for the City’s Aesthetic. People Should Come First, And It Should Be Architecture for the People, However It Seems More like the Space is Built and People Are Forced into That Space. The Reason Why I wanted to Interview You Was Because You Seemed like a Person Who Would Pursue Humanism Architecture. Shaw I Understand Your Architecture as Humanish Architecture?
We always attach importance to dialogue. Dialogue makes projects better.
9. Architecture Environment in Japan Seems to be a lot different From That in Korea, Is There an Architecture Style That is Spot-Lighted Currently in Japan ?
there are so many architecture styles. Many of them are interested in sustainability.
10. What is The Definition of Architecture If you May.
Architecture is not just only building but the whole landscape including all environment of the building.
11. In This Modern Setting, What Would be a Healthy Architecture?
Healthy architecture connects to environment and nature, is built as a part of landscape, utilizing local materials and local building techniques, where we always feel nature.
12. Lastly, Are you an Architecture Who Follows Current Trends, or Are you an Architecture Who Creates Newness with Your Own Will, Regardless of Current Trends?
I am not interested in current trends. More important thing is how new space, new value of lifestyle can be created.(2011.12.21)

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Cedar House

敷地は町全体が緩やかに南へ傾斜する見晴らしの良い素晴らしい住宅地の一角に位置します。新しい試みとして、周辺と敷地とを塀や柵で区切る事を止め高低差だけを境界とした上で、緩やかな斜路により周辺と敷地内とをあいまいに繋いでいます。周辺から敷地内に入り込んだ斜路はそのまま中2階のデッキテラスに接続するスロープへとつながり、道路の高低差を利用した重層的な床レベルや内外を複雑に行き来する回遊動線とあいまって、建物の中だけではなく、豊かな周辺環境全体の中に住んでいるような心地よい開放感があります。この建物は接着剤や合板を一切利用せずに、大きな気積の在来木造住宅を実現しています。自然素材の木造住宅といえど、現実には合板や接着剤に大きく頼っています。裏方が変われば表面のデザインにも変化が生じ、従来の木造住宅には見られない、新しい建築表現になったのではないかと思います。厚板の斜め張りや、貫壁など伝統工法を織り交ぜ、無垢材だけで構造上の解決を試みています。更にあらゆる2次部材を30mmをモジュールとして、木組みやビス止めで組み上げており、将来的な再利用やリノベーションに対応しています。(写真撮影 川元斉)
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Guryongpo Project

This is a proposal of town planning of Guryongpo area at Pohang City in Koria. This is an unbuilt. Guryongpo area is a Japanese Migrant Fishing Village Colony built about in the second half of the nineteenth century. Now we can see many Japanese style building, but many of them become too old for use. The purpose of this town planning is regeneration of Guryongpo area for tourism and conservation of historical street and buildings.First time we analyzed the space structure of this area from different angles by exhaustive survey with HangDong UniversityThis time we propose new scenic route, zoning and renovation of historical buildings utilizing local building techniques and materials, for example traditional industry of making wooden ships.
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Other Project