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For the Inventor, By the Inventor

Iwata, Japan

Ryoichi Nakase

This inventor holds 60 USPTO granted patents, primarily in Watercraft Systems (CPC class 440 ). Top assignees: Sanshin Kogyo Kabushiki Kaisha, Yamaha Hatsudoki Kabushiki Kaisha, Sanshin Industries Co., Ltd.. Active years: 1985-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Nakase. Retrieved from https://idiyas.com/inventor/ryoichi-nakase

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

Calculating rank
USPTO Granted Patents = 60

% Patents Active = 96.7

Average Co-Inventor Count = 2.0

ph-index = 14

Forward Citations = 625(Granted Patents)

Forward Citations (Not Self Cited) = 536(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shizuoka-ken, JP (1998)
  • Shizuoka, JP (1989 - 2002)
  • Hamamatsu, JP (1985 - 2003)
  • Iwata, JP (1998 - 2008)

Company Filing History:

goldMedal34 out of 1,061 
 
Sanshin Kogyo Kabushiki Kaisha
 patents
silverMedal26 out of 4,358 
 
Yamaha Hatsudoki Kabushiki Kaisha
 patents
bronzeMedal2 out of 17 
 
Sanshin Industries Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1985-2008

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Areas of Expertise:
Watercraft
Catalytic Exhaust
Engine Control
Fuel Supply
Throttle Position Sensor
Oil Supply
Exhaust Cooling
Induction System
Small Watercraft
Pump Control
Marine Propulsion
Ignition System
60 patents (USPTO):Explore Patents
1. 7381106 - Watercraft steering assist system (2008-06-03),
2. 7118431 - Watercraft steering assist system (2006-10-10),
3. 6565399 - Watercraft catalytic exhaust system (2003-05-20),
4. 6478644 - Exhaust pipe cooling system for watercraft (2002-11-12),
5. 6425789 - Small watercraft (2002-07-30),
6. 6371819 - Throttle position sensor mounting arrangement for personal watercraft engine (2002-04-16),
7. 6279546 - Watercraft fuel supply system (2001-08-28),
8. 6210243 - Fuel pump arrangement for watercraft (2001-04-03),
9. 6200178 - Small watercraft (2001-03-13),
10. 6138632 - Pump control for small watercraft (2000-10-31),
11. 6120335 - Catalytic exhaust system for watercraft (2000-09-19),
12. 6095876 - Engine component layout (2000-08-01),
13. 6024068 - Watercraft engine control (2000-02-15),
14. 6022253 - Injection system for small watercraft (2000-02-08),
15. 6015321 - Fuel pump mounting arrangement for personal watercraft (2000-01-18),

Title: The Innovative Journey of Ryoichi Nakase

Introduction:

Ryoichi Nakase, a pioneering inventor hailing from Iwata, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents:

Nakase's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights:

With a career spanning over two decades, Nakase has established himself as a leading figure in the tech industry. His work has been instrumental in shaping the future of various sectors, from healthcare to transportation.

Collaborations:

Throughout his career, Nakase has collaborated with top research institutions, leading tech companies, and renowned universities to further push the boundaries of innovation. His collaborative efforts have resulted in cutting-edge technologies that have revolutionized the way we live and work.

Conclusion:

In conclusion, Ryoichi Nakase's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a visionary inventor. His work continues to inspire future generations of inventors and shape the technological landscape for years to come.

Profile summary based on public USPTO records.
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]
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