一建設株式会社 News Releases

Hajime Kensetsu Corporation Hosts Wooden House Construction Site Visit for High School Students

Hajime Kensetsu Corporation hosted a site visit to a wooden house construction site for 31 second-ye… · 2026-07-14

Hajime Construction Co., Ltd. to Fully Launch Dedicated Online Shop for Tools and Temporary Construction Materials for Partner Companies Starting June 2026

Hajime Construction Co., Ltd. (Head Office: Toshima-ku, Tokyo; President and CEO: Tadanori Horiguchi… · 2026-06-29

[Hajime Kensetsu Co., Ltd.] Held a Construction Site Tour for Wooden Houses for 59 First and Second Year Students of the Architecture Department at Sendai Municipal Sendai Technical High School on June 22 (Mon.)

Hajime Kensetsu Co., Ltd. (Head Office: Toshima-ku, Tokyo; President: Tadami Horiguchi; hereinafter … · 2026-06-30

[Hajime Construction Co., Ltd.] Renewed and published the special page 'Hajime no Gijutsu' (Hajime's Technology) on April 1, 2026

Hajime Construction has renewed its special page 'Hajime no Gijutsu' to clearly introduce its propri… · 2026-04-01

[ICHIJO Co., Ltd.] Announcement Regarding Completion of Share Acquisition (Subsidiary Formation) and Change of Subsidiary's Trade Name

ICHIJO Co., Ltd. has completed the acquisition of shares (forming a subsidiary) and announced a chan… · 2026-04-21

[Hajime Construction Co., Ltd.] Opens "Nagoya East Sales Office" on March 30, 2026, to Support Detached Housing Business!

Hajime Construction Co., Ltd. opened its "Nagoya East Sales Office" in Nagoya City, Aichi Prefecture… · 2026-03-30

Hajime Kensetsu Co., Ltd. Hosts Wooden House Construction Site Tour for 39 Second-Year Students from Aichi Prefectural Hekinan Technical High School on June 12 (Friday)

Hajime Kensetsu Co., Ltd., a core company of the Iida Group Holdings, hosted a wooden house construc… · 2026-06-17

[Hajime Construction Co., Ltd.] Opening of "Nagoya Higashi Sales Office" on March 30, 2026, to Support the Detached Housing Subdivision Business!

Hajime Construction, a core company of the Iida Group Holdings, has opened its new "Nagoya Higashi S… · 2026-03-30

[Hajime Construction Co., Ltd.] Opens "Nagoya East Sales Office" on March 30, 2026, to Support Detached Housing Business!

Hajime Construction Co., Ltd. opened its "Nagoya East Sales Office" in Nagoya City, Aichi Prefecture… · 2026-03-30

Hajime Kensetsu Co., Ltd. to Fully Introduce In-House Developed Shear Wall 'HW5.0Σ' with Wall Strength Ratio of 6.3 Starting June 2026, Focusing on 3-Story Homes in Tokyo's 23 Wards

Hajime Kensetsu Co., Ltd. has obtained a patent for its in-house developed shear wall 'HW5.0Σ' on Ma… · 2026-06-16

[Hajime Kensetsu] Launches Life Cycle Support Site 'Let's Organize Tomorrow's Living'

Hajime Kensetsu Co., Ltd. has launched a support site to strengthen connections with existing custom… · 2026-06-02

[Hajime Construction Co., Ltd.] Renewed and published the special page 'Hajime no Gijutsu' (Hajime's Technology) on April 1, 2026

Hajime Construction has renewed its special page 'Hajime no Gijutsu' to clearly introduce its propri… · 2026-04-01

HAJIME Asset Management Participates in Formation of Private Fund for Ichiken Co., Ltd.'s Rental Detached Houses

Ichiken Co., Ltd. and HAJIME Asset Management Co., Ltd. have transferred rental detached houses owne… · 2026-05-11

Ichiken Co., Ltd. Opens "Livele Garden villa," a Resort-Style Private Lodging Facility in Northern Okinawa with 7 Villas Simultaneously on April 22, 2026

Ichiken Co., Ltd. and SpaciaNet Japan Inc. have collaborated to open "Livele Garden villa," a resort… · 2026-04-30

[Hajime Construction Co., Ltd.] Developed by Hajime Construction! A New Landmark Blending Accommodation and Commerce, 'JMF Building Okinawa Kokusai Dori 01', is Born in the Center of Naha's Kokusai Dori!

Hajime Construction announced the opening of a new mixed-use facility, 'JMF Building Okinawa Kokusai… · 2026-04-23

[ICHIJO Co., Ltd.] Announcement Regarding Completion of Share Acquisition (Subsidiary Formation) and Change of Subsidiary's Trade Name

ICHIJO Co., Ltd. has completed the acquisition of shares (forming a subsidiary) and announced a chan… · 2026-04-21

Hajime Kensetsu Co., Ltd. Renews Special Page 'Hajime no Gijutsu' to be Launched on April 1, 2026

Expanding information on proprietary construction methods such as wooden brace load-bearing walls to… · 2026-04-01

[Hajime Kensetsu Co., Ltd.] Opening Sales Office 'Nagoya Higashi Sales Office' for Detached Housing Development Business on March 30, 2026!

Hajime Kensetsu to open 'Nagoya Higashi Sales Office' in Meito Ward, Nagoya City, as a sales base fo… · 2026-03-30

Ichiken Corporation: HAJIME Asset Management Participates in Formation of Private Fund Targeting Rental Detached Houses Owned by Ichiken

Ichiken Corporation and HAJIME Asset Management have formed "Godo Kaisha Casa," a private fund targe… · 2026-05-11

[Hajime Construction Co., Ltd.] Developed by Hajime Construction! A New Landmark Blending Accommodation and Commerce, 'JMF Building Okinawa Kokusai Dori 01', is Born in the Center of Naha's Kokusai Dori!

Hajime Construction announced the opening of a new mixed-use facility, 'JMF Building Okinawa Kokusai… · 2026-04-23

Ichiken Co., Ltd. Opens "Livele Garden villa," a Resort-Style Private Lodging Facility in Northern Okinawa with 7 Villas Simultaneously on April 22, 2026

Ichiken Co., Ltd. and SpaciaNet Japan Inc. have collaborated to open "Livele Garden villa," a resort… · 2026-04-30