Masaharu Asano

This inventor holds 53 USPTO granted patents, primarily in Internal Combustion Engines (CPC class 1234). Top assignees: Nissan Motor Company Limited, Other. Active years: 1977-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Asano. Retrieved from https://idiyas.com/inventor/masaharu-asano

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

USPTO Granted Patents = 53

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 18

Forward Citations = 886(Granted Patents)

Forward Citations (Not Self Cited) = 831(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Fujisawa, JA (1977)
Yokohama, JA (1977 - 1978)
Yokohama, JP (1978 - 1979)
Yokosuka, JP (1978 - 1985)
Fujisawa, JP (1986 - 1987)

Company Filing History:

52 out of 13,420

Nissan Motor Company Limited

patents

1 out of 834,453

Other

patents

Years Active: 1977-1987

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Areas of Expertise:

Internal Combustion Engine

Air/Fuel Ratio Control

Ignition Timing

Fuel Injection

Emission Control

Closed Loop System

Feedback Control

Temperature Detection

Fuel Supply Control

Knock Signal Generation

Self-Testing System

Automotive Control

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4672566 - Device for measuring variable with automatic compensation for offset (1987-06-09),

2. 4660535 - System and method for controlling ignition timing of an internal (1987-04-28),

3. 4609292 - Device and method for measuring a temperature difference (1986-09-02),

4. 4491114 - Fuel injection means for an internal combustion engine of an automobile (1985-01-01),

5. 4491112 - Failsafe for an engine control (1985-01-01),

6. 4454750 - Apparatus for generating a knock signal for use with an internal (1984-06-19),

7. 4409937 - Spark timing control device for an internal combustion engine (1983-10-18),

8. 4359992 - Method of controlling fuel supply to internal combustion engine (1982-11-23),

9. 4359029 - Air/fuel ratio control system for an internal combustion engine (1982-11-16),

10. 4357918 - Engine controlling device (1982-11-09),

11. 4355615 - Air/fuel ratio control device for an internal combustion engine (1982-10-26),

12. 4355360 - Method for program control of components of an automotive vehicle (1982-10-19),

13. 4355359 - Control system for internal combustion engines (1982-10-19),

14. 4344400 - Control device for an internal combustion engine (1982-08-17),

15. 4343278 - Control device for an internal combustion engine (1982-08-10),

Title: The Innovative Journey of Masaharu Asano

Introduction: Masaharu Asano, a pioneering inventor hailing from Yokosuka, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Asano's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and energy storage solutions.

Career Highlights: With a career spanning over two decades, Asano has established himself as a leading figure in the renewable energy sector, holding multiple patents that have revolutionized the way we harness and utilize clean energy sources.

Collaborations: Throughout his career, Asano has collaborated with top research institutions and universities in Japan to further develop his inventions and bring them to the market, solidifying his reputation as a forward-thinker in the industry.

Conclusion: Masaharu Asano's dedication to innovation and sustainability has not only shaped the renewable energy landscape in Japan but has also left a lasting impact on the global technological community.

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]