% Expired Patents = 33.3

Forward Citations = 6

Loading Chart...

10 inventors (with patents filed for the assignee):

Hiroaki Morita (2 out of 2 patents)

Chiaki Matsuyama (2 out of 3 patents)

Hisashi Sekimoto (2 out of 4 patents)

4. Yasuo Kannoto (2 out of 2 patents)

5. Hideo Kawamura (1 out of 166 patents)

6. Masahide Arayasu (1 out of 1 patent)

7. Kazuyoshi Hayakawa (1 out of 2 patents)

8. Yoichi Iwamoto (1 out of 1 patent)

9. Ryoichi Sasakawa (1 out of 1 patent)

10. Youichi Iwamoto (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7059130 - Heat exchanger applicable to fuel-reforming system and turbo-generator system (2006-06-13),

2. 5247272 - Dipole coil and structure for use in the manufacture thereof (1993-09-21),

3. 5126711 - Superconductive coil system (1992-06-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3,547 in Tokyo

#8,929 in Japan

Tokyo, Japan

Ship & Ocean Foundation

Forward Citations = 6

10 inventors:

Hiroaki Morita (2 out of 2 patents)

Chiaki Matsuyama (2 out of 3 patents)

Hisashi Sekimoto (2 out of 4 patents)

4. Yasuo Kannoto (2 out of 2 patents)

5. Hideo Kawamura (1 out of 166 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ship & Ocean Foundation. Retrieved from https://idiyas.com/company/ship-and-ocean-foundation

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]