Page TopIINO LINES HEAD OFFICE
IINO KAIUN KAISHA, LTD.
March 2026
Office 4,709.99 sq m
Chiyoda-ku,Tokyo
Certification Consulting
*The area shown is the GFA (Gross Floor Area) as defined by the certification requirements.
WELL：v2 Platinum
WELL：Core v2 Platinum
IINO BUILDING
IINO KAIUN KAISHA, LTD.
March 2026
Office 76,289.97 sq m
Chiyoda-ku,Tokyo
WELL Equity Rating
Woonerf Tokyo Headquarters
Woonerf Inc.
January 2026
Office 1,2F 202 sq m
Chiyoda-ku, Tokyo
LEED O+M: Interiors v4.1 Plutinum
Private tenant at Tokyo Square Garden
Confidential
December 2025
Office 4,298 sq m
Chiyoda-ku, Tokyo
LEED BD+C: NC v4 Gold
TOYOTA ARENA TOKYO
TOYOTA FUDOSAN CO., LTD.
December 2025
Arena 34,542 sq m
Koto-ku, Tokyo
LEED O+M: Existing Buildings v4.1 Gold
Sapporo Convention Center
Convention Linkage, Inc.
November 2025
Convention center 20,309 sq m
Sapporo, Hokkaido
Sustainability Consulting
Life Cycle Assessment
REALGATE INC.
2025
EPD Registration Support
Shelter Co.,Ltd.
2025
EPD Registration Support
Cypress Sunadaya Co., Ltd.
2024
Support for Sustainability Strategy Formulation and Environmental Action Plans
Mitsubishi Corporation Urban Development, Inc.
2024
EPD Registration Support
OBAYASHI CORPORATION
2024
JPC Tomakomai EPD Registration Support
KUROSAWA CONSTRUCTION CO.,Ltd.
2023
EPD Registration Support
KUROSAWA CONSTRUCTION CO.,Ltd.
2023
Emission factor forecast and utility analysis
(Confidential) Real Estate Investment Company
2022
Building energy efficiency studies and efficiency analysis of heat sources, etc.
(Confidential) Real Estate Development Company
2022
Energy Audit
GLP Japan Inc.
2022
Type Ⅲ EPD Registration Support
KUROSAWA CONSTRUCTION CO., Ltd.
2022
Life-Cycle Assessment Consulting
(Confidential) Professional partner in construction and real estate
2022
Life-Cycle Assessment Consulting
(Confidential) General Contractor
2022
Life-Cycle Assessment Consulting
(Confidential) General Contractor
2022
ESG Due Dilligence
(Confidential) Real Estate Investment Company
2021
Functional and benefit analysis of green infrastructure based on LEED evaluation methods
(Confidential) ICT Solution Company
2020
Research &Advisory
Update the list of Certification System Evaluation Items
(Confidential) Architectural Design Office
2023
Regulatory Risk Assessment
(Confidential) Real Estate Development Company
2021