logo

For the Inventor, By the Inventor

Hiroshima, Japan

Yasuyuki Morita

This inventor holds 17 USPTO granted patents. Top assignees: Toyo Kogyo Co., Ltd., Mazda Motor Corporation. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Morita. Retrieved from https://idiyas.com/inventor/yasuyuki-morita

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 11

Forward Citations = 317(Granted Patents)


Location History:

  • Hiroshima, JA (1976 - 1977)
  • Hiroshima, JP (1980 - 1988)

Company Filing History:

goldMedal9 out of 264 
 
Toyo Kogyo Co., Ltd.
 patents
silverMedal8 out of 4,753 
 
Mazda Motor Corporation
 patents

Years Active: 1976-1988

Loading Chart...
17 patents (USPTO):Explore Patents
1. 4741302 - Internal combustion engine (1988-05-03),
2. 4726332 - Variable valve mechanism for internal combustion engines (1988-02-23),
3. 4690110 - Variable valve mechanism for internal combustion engines (1987-09-01),
4. 4651684 - Valve timing control system for internal combustion engine (1987-03-24),
5. 4582029 - Valve timing control system for internal combustion engine (1986-04-15),
6. 4580533 - Valve mechanism having variable valve timing (1986-04-08),
7. 4556025 - Engine valve mechanism having valve disabling device (1985-12-03),
8. 4519350 - Intake system for an internal combustion engine (1985-05-28),
9. 4434749 - Cooling system for liquid-cooled internal combustion engines (1984-03-06),
10. 4432315 - Ignition arrangement for internal combustion engine (1984-02-21),
11. 4423705 - Cooling system for liquid-cooled internal combustion engines (1984-01-03),
12. 4358259 - Rotary piston engine sealing mechanisms (1982-11-09),
13. 4328781 - Exhaust gas recirculating passage arrangement for cross-flow type (1982-05-11),
14. 4293289 - Lubricating means for rotary piston engines with pressure and (1981-10-06),
15. 4218200 - Rotor cooling means for rotary piston engines (1980-08-19),

Title: Yasuyuki Morita: Innovator in Internal Combustion Engine Technology

Introduction

Yasuyuki Morita is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 17 patents. His innovative designs have advanced engine technology and improved performance in various applications.

Latest Patents

Morita's latest patents include a groundbreaking design for an internal combustion engine. This design features a four-valve engine with a unique configuration for the spark plug or fuel injection nozzle. The hole for insertion is obliquely formed between the exhaust ports, optimizing combustion efficiency. Another notable patent is a variable valve mechanism for internal combustion engines. This mechanism includes a first rocker arm engaged with a low-speed profile cam and a second rocker arm engaged with a high-speed profile cam. A locking device on the second rocker arm allows for secure operation during high-speed engine performance.

Career Highlights

Throughout his career, Yasuyuki Morita has worked with notable companies such as Toyo Kogyo Co., Ltd. and Mazda Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in automotive technology.

Collaborations

Morita has collaborated with talented individuals in the industry, including Hiroyuki Oda and Shunji Masuda. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Yasuyuki Morita's contributions to internal combustion engine technology have established him as a leading inventor in his field. His patents reflect a commitment to innovation and excellence, making a lasting impact on the automotive industry.

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]
Loading…