logo

For the Inventor, By the Inventor

Tokyo, Japan

Tohatsu Corporation

Calculating rank
USPTO Granted Patents = 11

Trademarks = 3

Forward Citations = 101

Loading Chart...
Loading Chart...

14 inventors (with patents filed for the assignee):

goldMedal Makoto Sato (4 out of 235 patents)

silverMedal Ryo Shiina (3 out of 3 patents)

bronzeMedal Tamotsu Hamanaka (2 out of 2 patents)

4.  Hiroshi Ishikawa (1 out of 82 patents)

5.  Richard A Davis (1 out of 86 patents)

6.  Shinichi Kudo (1 out of 2 patents)

7.  Hiroshi Okuda (1 out of 81 patents)

8.  Michael A Purdy (1 out of 3 patents)

9.  Koichiro Takahashi (1 out of 7 patents)

10.  Mark T Lokken (1 out of 6 patents)

11.  Masakazu Kikuchi (1 out of 1 patent)

12.  Kyoichi Kamoshita (1 out of 1 patent)

13.  Toshimitsu Ogawa (1 out of 2 patents)

14.  Makoto Sato (1 out of 6 patents)


11 patents:

1. D1039220 - Fire extinguishing pump (2024-08-13),
2. D955440 - Outboard motor (2022-06-21),
3. D922437 - Outboard motor (2021-06-15),
4. D922436 - Outboard motor (2021-06-15),
5. D921042 - Outboard motor (2021-06-01),
6. 7066130 - Recoil starter with automatic orientation (2006-06-27),
7. 7055485 - Monoblock internal combustion engine (2006-06-06),
8. 6318311 - Cylinder-injection type two cycle combustion engine (2001-11-20),
9. 5048486 - Ignition circuit with timing control (1991-09-17),
10. 4881513 - Two-cycle internal combustion engine (1989-11-21),
11. 4801282 - Remote control apparatus (1989-01-31),
Company Overview
Tohatsu Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of outboard motors and various marine products. The company is recognized for its innovation in engine technology, focusing on enhancing performance and fuel efficiency for recreational and commercial boating. Tohatsu also engages in the production of industrial engines and generators, catering to diverse markets. With a commitment to quality and sustainability, Tohatsu continues to advance its technological capabilities in the marine and industrial sectors.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

11 Patents

#1,810 in Tokyo

#4,142 in Japan

#51,831 in the World

Tokyo, JP
Tokyo, Japan

Tohatsu Corporation

Forward Citations = 101

14 inventors:

goldMedal Makoto Sato (4 out of 235 patents)

silverMedal Ryo Shiina (3 out of 3 patents)

bronzeMedal Tamotsu Hamanaka (2 out of 2 patents)

4.  Hiroshi Ishikawa (1 out of 82 patents)

5.  Richard A Davis (1 out of 86 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tohatsu Corporation. Retrieved from https://idiyas.com/company/tohatsu

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]
Loading…