Yamaha Hatsudoki Kaisha

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 4

Loading Chart...

4 inventors (with patents filed for the assignee):

Kohei Terada (1 out of 14 patents)

Shintaro Sato (1 out of 2 patents)

Hideo Fujita (1 out of 17 patents)

4. Atsushi Suzuki (1 out of 5 patents)

3 patents: Sort by Forward Citations

1. 10363998 - Aquatic vessel and paddle (2019-07-30),

2. 8316816 - Internal combustion engine and vehicle having the internal combustion engine (2012-11-27),

3. 7503297 - Valve drive mechanism for engine (2009-03-17),

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#116 in Shizuoka

#8,945 in Japan

Shizuoka, Japan

Yamaha Hatsudoki Kaisha

Forward Citations = 4

4 inventors:

Kohei Terada (1 out of 14 patents)

Shintaro Sato (1 out of 2 patents)

Hideo Fujita (1 out of 17 patents)

4. Atsushi Suzuki (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamaha Hatsudoki Kaisha. Retrieved from https://idiyas.com/company/yamaha-hatsudoki-kaisha

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]