Forward Citations = 24

Loading Chart...

7 inventors (with patents filed for the assignee):

Fumiaki Arima (2 out of 2 patents)

Eiji Kuroda (1 out of 1 patent)

Tamotsu Hata (1 out of 1 patent)

4. Hideo Kimijima (1 out of 1 patent)

5. Mitsuo Miyazaki (1 out of 3 patents)

6. Masami Nomori (1 out of 1 patent)

7. Katsufumi Inoue (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6230450 - Damping top, damping rod, and damping device using same (2001-05-15),

2. 5740652 - Method of installing seismic damping wall (1998-04-21),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#4,372 in Tokyo

#11,139 in Japan

Tokyo, Japan

Sumitomo Construction Co., Ltd.

Forward Citations = 24

7 inventors:

Fumiaki Arima (2 out of 2 patents)

Eiji Kuroda (1 out of 1 patent)

Tamotsu Hata (1 out of 1 patent)

4. Hideo Kimijima (1 out of 1 patent)

5. Mitsuo Miyazaki (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Construction Co., Ltd.. Retrieved from https://idiyas.com/company/sumitomo-construction-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]