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§05
Network
NETWORK
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§06
History
64 EVENTS
Established N.C.N. Co., Ltd. as a joint venture between Seven Industrial Co., Ltd. and Nissho Iwai Co., Ltd. (now Sojitz Co., Ltd.)
Commenced sales of SE construction method: obtained Minister of Construction certification under Article 38 of the Building Standards Act for SE construction method
Hosted the SE construction method residential exhibition (SELL HOUSE exhibition) by seven architects
Obtained Minister of Construction certification under Article 38 of the Building Standards Act for SE construction method (with panels): launched the "SE Housing Performance Guarantee System" ahead of the "Defect Guarantee System"; moved headquarters to Tokyo; opened Osaka branch; increased capital to 98.5 million yen
α-SE construction method: Obtained Minister of Construction certification under Article 38 of the Building Standards Act
Obtained Minister of Land, Infrastructure, Transport and Tourism certification under Article 68-26 of the Building Standards Act for SE construction method, α-SE construction method, SE-R panel, and SE construction method dedicated structural calculation program "Wooden Structural Calculation Program WOLF-2"; SE construction method adopted in the three-story experimental house of Kinki University's "Recycled-type Mid-City Single House Pilot Experiment"; established Skeleton Housing Co., Ltd.
Commenced supply of the residential brand "Heavy Timber House" using SE construction method; published "How to Choose a Wooden House: 5 Rules" (by Ikuro Tasaka, Housing Agency Co., Ltd.)
Published the special edition "Wooden Houses Changing: The Possibilities of SE Housing" (Shin Kenzoku Publishing); established Japan Yusonian 21 Co., Ltd. (joint venture agreement with the Frank Lloyd Wright Foundation to preserve the architect's lifetime achievements); participated in capital of joint venture subsidiary "Mujinet Co., Ltd." (now MUJI HOUSE Co., Ltd., currently a related company under the equity method) with Good Planning Co., Ltd., becoming a related company.
Obtained Minister of Land, Infrastructure, Transport and Tourism certification under Article 68-26 of the Building Standards Act for SE construction method (skip floor); increased capital to 100 million yen
Started design office network business; launched "Flat 35" construction financing plan; announced SE construction method "SE-GO Frame"; obtained PEFC-COC forest certification (registration number CEF0608A); started SE construction method registered architect system; participated in "Rohas Container Village 2006"; established Japan Housing Structure Manufacturing Co., Ltd.
Started the architectural office network business. Launched the 'Flat 35' construction financing plan. Announced the SE construction 'SE-GO Frame'. Obtained PEFC-COC forest certification (registration number CEF0608A). Started the SE construction registered architect system. Participated in 'Rohas Container Village 2006'. Established Japan Housing Structure Manufacturing Co., Ltd.
Hosted the "A Slightly Premium My House and Lifestyle Contest"; published "House, the Three Little Pigs Were Wrong" (co-authored by Ikuro Tasaka and Kanaya Nene, Diamond Publishing); exhibited at "Interior Festival 2007"
The system including the SE construction method was selected as the "Ultra-Long-Term Excellent Housing Leading Model" for fiscal year 2008: Publication of "The Three Little Pigs Also Have Scales on Their Eyes, a 200-Year House" (co-authored by Ikuro Tasaka and Ryuji Nishioka, Diamond Publishing). Started supplying feathered timber and unit rebar with the SE construction method. Began selling the SE construction method dedicated design CAD "Walk in Structure".
Established the Long-Term Excellent Housing Support Office. The system including the SE construction method was selected for the 2009 "Long-Term Excellent Housing Leading Project": Publication of "A Slightly Premium Ideal House-Building Story" (Fusosha Publishing). Began full-scale supply of domestic timber using the SE construction method.
The "Challenge 25 House" using the SE construction method received the Special Award at the 2010 Lojas Design Award. The system including the SE construction method was selected for the 2010 "Long-Term Excellent Housing Leading Project". Started annual heating and cooling load calculations.
"I see, that's how you build a wooden house." Publication (Ikuro Tasaka, Kodansha). The SE construction method surpassed 10,000 units. Certified long-term excellent houses using the SE construction method surpassed 1,000 units.
Established SE Housing Loan Service Co., Ltd. (now a consolidated subsidiary) for loan agency and financial product brokerage. Obtained structural rating from the Japan Architecture Center for the SE wooden frame system. Revamped performance of the SE construction method (screw bolt and ramen frame). Premium Partner of Heavy Timber House won the Grand Prize at the 2012 Lojas Design Award. Proposal by Premium Partner of Heavy Timber House selected for the 2012 "Regional Housing Brand Development Project". Revised the logo of the SE construction method. Conducted large-scale vibration table experiments for the SE construction method in cooperation with the Architectural Research Institute.
Started exporting the SE construction method to Italy. Proposal by Premium Partner of Heavy Timber House selected for the 2013 "Regional Housing Brand Development Project". Established N.D.N. Co., Ltd. as a subsidiary.
Proposal by Premium Partner of Heavy Timber House selected for the 2014 "Regional Housing Brand Development Project". Revised logo of Heavy Timber House. Established the "100% Seismic Housing Implementation Committee". Broadcast TV commercial "Make Japanese Houses 100% Seismic". Held "The Building You Want to Leave Behind Contest". Hosted "MAKE HOUSE" new prototype exhibition of wooden houses.
Established Paperless Studio Japan Co., Ltd. and MAKE HOUSE Co., Ltd. (now a consolidated subsidiary) to develop and deploy BIM solutions for the housing industry. Won the Excellence Award at the 82nd Mainichi Advertising Design Award. Won the Japan Resilience Award 2015 Best Resilience Award. The original house of Jiro Nagashima won the Grand Prize at "The Building You Want to Leave Behind Contest". Proposal by Premium Partner of Heavy Timber House selected for the 2015 "Regional Housing Brand Development Project". Won Good Design Award (MAKE HOUSE Project). Won Wood Design Award 2015. Published ML WELCOME (Modern Living Special Edition, Hurst Women's Magazine).
Released promotion video "Make Japanese Houses 100% Seismic". Exhibited Eco House at the 11th Lojas Design Award 2016 Shinjuku Gyoen exhibition. Started broadcasting BS12 "House Textbook". Released simulation video of the Kumamoto earthquake. Sponsored "Reborn-Art Festival × ap bank fes 2016". Obtained resilience certification.
Completed seismic reinforcement of Jiro Nagashima's original house. Sponsored "Reborn-Art Festival 2017". Established non‑profit organization "General Incorporated Association 100% Seismic Housing Implementation Committee". Broadcasted a one‑hour special of BS12 "House Textbook".
Held "Thank You Present" for the 20th anniversary of the "Seismic Construction Method SE Construction Method". First seminar to recruit SE construction method partners held in Hokkaido. SE construction method property "Inamura Forest House" won the Tokyo Architectural Association Housing Architecture Award. SE construction method had its first construction in Hokkaido. Started House Construction Structural Calculation Navi.
Listed on the JASDAQ Standard market of the Tokyo Stock Exchange. Conducted nationwide survey on seismic and earthquake awareness. Signed first overseas registered contractor agreement in South Korea. Co‑hosted seminar with Living Design Center OZONE. Completed first large‑scale SE construction method wooden building (three‑story wooden dormitory) in Hokkaido. Provided outdoor wooden deck using the SE construction method for "Isumi Forest Living". Launched special site "FAMIRY TREE" collaborating with Heavy Timber House and MilK JAPON.
Listed on the JASDAQ Standard market of the Tokyo Stock Exchange.
Conducted a nationwide survey on seismic and earthquake awareness.
Signed the first overseas registered construction shop contract in South Korea.
Hosted a co-sponsored seminar with Living Design Center OZONE.
Completed the first medium-sized SE construction timber building (3-story timber dormitory) in Hokkaido.
Provided an outdoor wood deck using the SE construction method for 'Isumi Forest Living'.
Opened the special site 'FAMIRY TREE' in collaboration with the Heavy Timber House and MilK JAPON.
Received the 18th Wood Materials and Wood Structural Technology Research Fund Award, Second Category (Okuma Kan Chapter Award).
Established Net Eagle Co., Ltd. and Wood Structure Design Co., Ltd. (now a consolidated subsidiary) to conduct structural design and production design of non‑residential wooden buildings outside of the SE construction method. Shipment volume of SE construction method structural processing products reached the highest since founding.
Established Net Eagle Co., Ltd. and Kiko Kousei Design Co., Ltd. (now a consolidated subsidiary) to conduct structural design and production design for non-residential wooden buildings other than the SE construction method.
The shipment volume of SE construction method structural products reached a record high since the company's founding.
MUJI HOUSE Co., Ltd. signed a cooperation agreement with the Urban Renaissance Agency (UR) regarding MUJI×UR. Sponsored the linked event "Pavilion Tokyo 2021" of Tokyo Tokyo Festival Special 13. Launched the first structural defect guarantee system in the wooden construction industry, "Non‑Residential SE Construction Method Structural Performance Guarantee System". Established MAKE HOUSE BIM BASE, a BIM/CAD center (Shinagawa, Tokyo). Launched high‑definition architectural space simulation service "MAKE ViZ".
MUJI HOUSE Co., Ltd. signed a collaboration agreement on 'MUJI × UR' with the Urban Renaissance Agency (UR).
Sponsored the linked event 'Pavilion Tokyo 2021' of 'Tokyo Tokyo FESTIVAL Special 13'.
Launched the first structural defect guarantee system in the wooden construction industry: the 'Non-Residential SE Construction Method Structural Performance Guarantee System'.
MAKE HOUSE Co., Ltd. opened the BIM/CAD Center 'MAKE HOUSE BIM BASE' (Shinagawa-ku, Tokyo).
MAKE HOUSE Co., Ltd. launched the high-definition architectural space simulation service 'MAKE ViZ'.
Opened the experimental and research facility for timber structures, the 'Wood Structure Technology Center' (Timbrelab). Moved to JASDAQ (Standard) due to restructuring of the Tokyo Stock Exchange's equity market. Updated the 'National Resilience Contribution Organization Certification (Resilience Certification)'. Fully acquired MAKE HOUSE Co., Ltd. as a subsidiary. Consolidated subsidiary of Suito Co., Ltd. Tokyo headquarters moved to Chiyoda-ku, Tokyo.
Opened the wooden structure experimental and research facility 'Wood Structure Technology Center' (Timber Lab).
Transitioned to 'JASDAQ (Standard)' due to the restructuring of the Tokyo Stock Exchange's equity market.
Renewed the 'National Resilience Contribution Organization Certification (Resilience Certification)'.
Made MAKE HOUSE Co., Ltd. a wholly-owned subsidiary.
Consolidated Kureyō Co., Ltd. as a subsidiary.
Moved the Tokyo headquarters to Chiyoda-ku, Tokyo.
MUJI HOUSE Co., Ltd. signed the 'Agreement on Promotion of Wood Utilization in Buildings' with the Ministry of Agriculture, Forestry and Fisheries. Obtained structural rating for a 5-story timber building using the SE construction method. The 'TAISHIN Standards' developed by the 100% Seismic Housing Implementation Committee received the Good Design Award in 2023.
MUJI HOUSE Co., Ltd. signed the 'Agreement on Promotion of Wood Utilization in Buildings' with the Ministry of Agriculture, Forestry and Fisheries. Transferred part of the shares of SE Housing Loan Service Co., Ltd. to Public Holdings Co., Ltd. and merged the business. Obtained structural rating for a 5-story timber building using the SE construction method. The 'TAISHIN Standards' developed by the 100% Seismic Housing Implementation Committee received the Good Design Award in 2023.
MUJI HOUSE Co., Ltd. signed an agreement with the Ministry of Agriculture, Forestry and Fisheries to promote the use of wood in buildings.
Transferred part of the shares of SE Housing Loan Service Co., Ltd. to Public Holdings Co., Ltd. and merged the business.
Obtained structural rating for a five-story wooden building using the SE construction method.
'TAISHIN Standards' formulated by the 100% Seismic Housing Implementation Committee received the Good Design Award in 2023.
Obtained a patent for 'Home Construction Structural Calculation Navi'.
Updated the 'National Resilience Contribution Organization Certification (Resilience Certification)'.
Opened two first timber buildings of MUJI using the SE construction method.
First domestic 'ZEB' certification for large-scale timber buildings.
Obtained a patent for 'Home Construction Structural Calculation Navi'. Updated the 'National Resilience Contribution Organization Certification (Resilience Certification)'. Opened two first timber buildings of MUJI using the SE construction method. First domestic 'ZEB' certification for large-scale timber buildings.
Obtained structural rating for the 'SE Construction Wood Frame System (SE Construction Ver.3)'.
Established the 'Large-Scale Timber Construction Network' to address challenges in non-residential timber buildings.
Initiatives to promote renovation homes with ZEH standards and energy-saving criteria received the Good Design Award.
MAKE HOUSE Co., Ltd. changed its name to KINO BIM Co., Ltd.
Obtained structural rating for the 'SE Construction Wood Frame System (SE Construction Ver.3)'. Established the 'Large-Scale Timber Construction Network' to address challenges in non-residential timber buildings. Initiatives to promote renovation homes with ZEH standards and energy-saving criteria received the Good Design Award. MAKE HOUSE Co., Ltd. changed its name to KINO BIM Co., Ltd.
§07
News
6 ARTICLES
NCN Publishes Web Content on Important Homebuilding Topics
NCN Co., Ltd. published web content for people considering building a home, titled Let’s Think About Home Construction Methods and Structures: Important Topics in Homebuilding. Adapted from a booklet, the seven-part story explains structural calculations, long-term quality housing, and the SE construction method in an accessible way for beginners.
N.C.N Exhibits at Non-Residential and Wooden Construction Fair 2026
N.C.N, together with its group, introduces the latest wooden construction technologies and products, showcasing services aimed at solving challenges.
N.C.N. Introduces the First Wooden 5-Story Building in the Tokyo Metropolitan Area Using SE Construction Method
N.C.N. reports the construction of the first wooden 5-story building in the Tokyo metropolitan area using the "SE Construction Method," and a large-scale wooden store completion tour is also scheduled to be held in Kyoto.
Co-hosting the first all-floor wooden 5-story structure viewing event of 'SE Construction Method'
In Fukuoka City, the first all-floor wooden 5-story structure viewing event of the 'SE construction method' was held, and many stakeholders examined the dynamic wooden structure.
Notice of Year-End and New Year Holidays of N.C.N. Corporation
N.C.N. Corporation will be closed for the year-end and New Year holidays from December 27, 2025, to January 4, 2026, and inquiries during the holiday period will be responded to after January 5, 2024.
NCN exhibits at the 2025 Non-Residential Wooden Architecture Fair
NCN will exhibit at the 2025 Non-Residential Wooden Architecture Fair held in Kansai, introducing the latest cases and DX promotion.
§08
Public records
GOV
National Tax Agency basic information6200001017075
Source: National Tax Agency Corporate Number Publication Site, basic three items
Trade name
株式会社エヌ・シー・エヌ
Trade name (kana)
エヌシーエヌ
Name in English
Corporation type
301
Address
〒100-0014 東京都千代田区永田町2丁目13番5号
Postal code
1000014
Prefecture code
13
City code
101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2023-01-23
Change date
2023-01-18
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
12
Correction type
0
Trade name image ID
Address image ID
Sequence number
2161343
METI gBizINFO6200001017075
Source: gBizINFO (Ministry of Economy, Trade and Industry)