Saito, Naoki



Faculty of Science and Technology, Department of System Design Engineering (Yagami)


Assistant Professor (Non-tenured)/Research Associate (Non-tenured)/Instructor (Non-tenured)

E-mail Address

E-mail address

Related Websites

Contact Address

〒223-8522 神奈川県横浜市港北区日吉3-14-1 慶應義塾大学理工学部システムデザイン工学科 14棟620E

Message from the Faculty Member 【 Display / hide

  • 都市を構成するインフラストラクチャーに付随する、建築未満のエレメントや人々の活動によって形成される空間形態を研究しています。特に、暗渠、高架下、住宅密集地における東京の特徴的な風景を調査・分析することで、複雑な都市空間の見方を獲得し、また、調査結果を都市計画に活用するための設計方法を検証しています。

Career 【 Display / hide

  • 2018.04

    慶應義塾大学大学院理工学研究科 , 助教(有期・研究奨励)

  • 2018.04

    東京デザイナー学院 , 建築デザイン科, 非常勤講師

  • 2021.01


  • 2023.04

    関東学院大学, 建築・環境学部 , 非常勤講師

Academic Background 【 Display / hide

  • 2010.04

    Tokyo University of Science, 理工学部, 建築学科

    University, Graduated

  • 2014.04

    Tokyo University of Science, 理工学研究科, 建築学専攻

    Graduate School, Completed, Master's course

  • 2017.04

    Keio University, 理工学研究科, 開放環境科学専攻

    Graduate School, Withdrawal after completion of doctoral course requirements, Doctoral course

Academic Degrees 【 Display / hide

  • 博士(工学), Keio University, Coursework, 2021.02

    東京都区部における開放的な公私境界部の集合形式 : 暗渠上路地・鉄道高架下空間・住宅密集地域を対象として

Licenses and Qualifications 【 Display / hide

  • 一級建築士, 2017.02


Books 【 Display / hide

  • 東京の創発的アーバニズム: 横丁・雑居ビル・高架下建築・暗渠ストリート・低層密集地域

    ホルヘ・アルマザン+Studiolab, 学芸出版社, 2022.10

  • EMERGENT TOKYO : Designing the Spontaneous City

    Jorge Almazan+Studiolab, Oro Editions, 2022.04

  • ノーツ 第一号 庭

    井上岳+大村高広+齋藤直紀, NOTESEDITION, 2021.02

Papers 【 Display / hide

  • The Potential of Small Wooden-Frame Building in Aging Japan

    Sano S., Saito N., Boontharm D.

    Sustainability (Switzerland) (Sustainability (Switzerland))  15 ( 4 )  2023.02

     View Summary

    Wooden-frame structures, with the capacity for continuous renewal, are key resources for urban regeneration and so comprise one of the most sustainable construction methods. This was true in the past for Japan, but following World War II, wooden-frame structures were demolished and replaced at a rapid pace. However, today, with Japan’s aging and dwindling population, the growing number of abandoned houses has become a socio-economic issue. In response to this crisis, local initiatives have been established to address this problem. Some novel design and management practices have arisen to restore the value of excess wooden-framed buildings. The purpose of this paper is to discuss the current design and renovation practices of vacant wooden-frame buildings in Japan, as well as to evaluate these practices in light of a sustainable future, by approaching this issue from the perspective of architects and designers and investigating their roles in these processes. The paper starts with the evolution of this building type from the past to the present. Data from in-depth interviews with specialists in wooden-frame construction as well as architects who are involved in the renovation of postwar timber dwellings are gathered and discussed. The emphasis here is on the expertise these specialists and architects have in successful cases of design and space management, as well as the incorporation of those buildings into the local community. Our case studies are located in different urban contexts; a regional city, a peripheral area of Tokyo, and central Tokyo. The findings highlight the crucial role of architects who mediate between benefits and drawbacks of current rehabilitation efforts, which are nevertheless still outnumbered by abandoned houses. Nonetheless, these experiences are crucial and valuable for the long-term viability of this building type in Japan.

  • 東京都区部における鉄道⾼架下空間の構成形式


    令和元年度年次報告 (公益財団法⼈天野⼯業技術研究所)     226 - 232 2020.12

    Research paper (bulletin of university, research institution), Single Work, Lead author

  • 東京都区部における鉄道高架下空間の構成形式 空間構成と利用実態からみた東京都区部の残余空間の再評価(2)


    日本建築学会計画系論文集 85 ( 769 ) 771 - 780 2020.03

    Research paper (scientific journal), Joint Work, Lead author, Accepted

  • 渋谷川流域の住宅地における暗渠上路地の空間構成 空間構成と利用実態からみた東京都区部の残余空間の再評価

    齋藤直紀, 巽祐一, アルマザンホルヘ

    日本建築学会計画系論文集 84 ( 757 ) 713 - 723 2019.03

    Research paper (scientific journal), Joint Work, Lead author, Accepted

  • The Spatial Configuration and Use Patterns of Pedestrian Alleys on Covered Watercourses in Tokyo

    Naoki, Saito; Yuichi, Tatsumi; Jorge, Almazan

    12th International Symposium on Architectural Interchanges in Asia  2018.10

    Research paper (international conference proceedings), Joint Work, Lead author, Accepted

Reviews, Commentaries, etc. 【 Display / hide

  • 手入れ / Repair ダンボール村

    井上岳, 大村高広, 齋藤直紀

    建築ジャーナル2023年2月号 (建築ジャーナル)   2023.01

    Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media), Joint Work, Lead author

  • 出身者の現在ー建築


    公益財団法人佐々木泰樹育英会広報誌 (公益財団法人佐々木泰樹育英会)     20 - 20 2023.01

    Single Work, Lead author

  • 手入れ / Repair 状況劇場

    井上岳, 大村高広, 齋藤直紀

    建築ジャーナル2022年11月号 (建築ジャーナル)   2022.10

    Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media), Joint Work, Lead author

  • 手入れ / Repair 新宿騒乱

    井上岳, 大村高広, 齋藤直紀

    建築ジャーナル2022年8月号 (建築ジャーナル)   2022.07

    Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media), Joint Work, Lead author

  • 手入れ / Repair グリーンハウス

    井上岳, 大村高広, 齋藤直紀

    建築ジャーナル2022年6月号 (建築ジャーナル)   2022.04

    Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media), Joint Work, Lead author

display all >>

Research Projects of Competitive Funds, etc. 【 Display / hide

  • コロナ禍以降の社会環境における郊外の空き家利活用の可能性


    住総研, 2021年度研究・実践助成, Coinvestigator(s)


Memberships in Academic Societies 【 Display / hide

  • 日本建築学会,