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For the Inventor, By the Inventor

Kyoto, Japan

Tatsuro Nakagami

This inventor holds 16 USPTO granted patents. Top assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Mitsubishi Denki Kabushiki Kaisha, Mikuni Kogyo Kabushiki Kaisha. Active years: 1977-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuro Nakagami. Retrieved from https://idiyas.com/inventor/tatsuro-nakagami

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 8

Forward Citations = 209(Granted Patents)


Location History:

  • Kyoto, JA (1977 - 1978)
  • Kyoto, JP (1979 - 1988)

Company Filing History:

goldMedal16 out of 1,649 
 
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
 patents
silverMedal3 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
bronzeMedal2 out of 47 
 
Mikuni Kogyo Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1977-1988

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16 patents (USPTO):Explore Patents
1. 4721080 - Structure of combustion chamber in diesel engine (1988-01-26),
2. 4506338 - Method and apparatus for judging the state of operation of an intake (1985-03-19),
3. 4494502 - Idling controller of variable displacement engine (1985-01-22),
4. 4489685 - Multi-cylinder internal combustion engine (1984-12-25),
5. 4485777 - Multi-cylinder internal combustion engine (1984-12-04),
6. 4336782 - Fuel feed device for engine (1982-06-29),
7. 4305358 - Internal combustion engine (1981-12-15),
8. 4256075 - Fuel feed device for engine (1981-03-17),
9. 4235205 - Fuel feed device for engine (1980-11-25),
10. 4210104 - Internal combustion engine (1980-07-01),
11. 4178889 - Internal combustion engine (1979-12-18),
12. 4167161 - Directional auxiliary intake injection for internal combustion engine (1979-09-11),
13. 4144856 - Exhaust gas recirculation system (1979-03-20),
14. 4133322 - Internal combustion engine (1979-01-09),
15. 4096692 - Air-pump system for reciprocating engines (1978-06-27),

Title: Innovations of Tatsuro Nakagami

Introduction

Tatsuro Nakagami is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of engineering, particularly in the automotive sector. With a total of 16 patents to his name, Nakagami's work has had a lasting impact on engine technology.

Latest Patents

Among his latest patents is a groundbreaking design for the structure of a combustion chamber in diesel engines. This innovation enhances the efficiency and performance of diesel engines. Another notable patent is a method and apparatus for judging the state of operation of an intake passage pressure detecting device for engines. This method involves initially treating the intake passage pressure detecting device as being in a state of failure during startup. It stores the initial output from the device and compares it to subsequent outputs. If the difference exceeds a predetermined value, it indicates that the device is functioning normally. This approach significantly improves the reliability of the entire system.

Career Highlights

Throughout his career, Tatsuro Nakagami has worked with esteemed companies such as Mitsubishi Motors Corporation and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Some of his notable coworkers include Yutaka Tsukamoto and Norio Endo. Their collaboration has contributed to the advancement of various projects in which Nakagami has been involved.

Conclusion

Tatsuro Nakagami's contributions to engine technology and his innovative patents demonstrate his expertise and commitment to engineering excellence. His work continues to influence the automotive industry and inspire future innovations.

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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