Hiroshi Maruyama

This inventor holds 21 USPTO granted patents, primarily in Internal Combustion Engines. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1993-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Maruyama. Retrieved from https://idiyas.com/inventor/hiroshi-maruyama-00buhty8

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 13

Forward Citations = 339(Granted Patents)

Location History:

Saitama, JP (1994)
Wako, JP (1993 - 2002)

Company Filing History:

21 out of 10,092

Honda Giken Kogyo Kabushiki Kaisha

patents

Years Active: 1993-2002

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Areas of Expertise:

Control System

Evaporative Fuel-Processing

Diagnostic System

Emission Control

Oxygen Sensor

Misfire Detection

Deterioration Detection

Tank Pressure

Combustion State

Idle Revolution Control

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6453664 - Control system for internal combustion engine (2002-09-24),

2. 5906184 - Fault deciding system for idle revolution controlling unit (1999-05-25),

3. 5495842 - Evaporative fuel-processing system for internal combustion engines (1996-03-05),

4. 5485596 - Abnormality diagnostic system for evaporative fuel-processing system of (1996-01-16),

5. 5477842 - Evaporative fuel-processing system for internal combustion engines (1995-12-26),

6. 5450834 - Evaporative fuel-processing system for internal combustion engines (1995-09-19),

7. 5427075 - Evaporative emission control system for internal combustion engines (1995-06-27),

8. 5398662 - Evaporative fuel-processing system for internal combustion engines for (1995-03-21),

9. 5396873 - Evaporative fuel-processing system for internal combustion engines (1995-03-14),

10. 5396765 - Oxygen sensor deterioration-detecting device for internal combustion (1995-03-14),

11. 5390537 - Combustion state-detecting system for internal combustion engines (1995-02-21),

12. 5373823 - Failure-detecting device and fail-safe device for tank internal pressure (1994-12-20),

13. 5357789 - Misfire detection system for internal combustion engine (1994-10-25),

14. 5355864 - Evaporative fuel-processing system for internal combustion engines (1994-10-18),

15. 5355863 - Evaporative fuel-processing system for internal combustion engines (1994-10-18),

Title: Hiroshi Maruyama: Pioneering Japanese Inventor

Introduction: Hiroshi Maruyama is a renowned inventor hailing from Wako, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Maruyama's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over three decades, Maruyama has established himself as a leading figure in the tech industry, with numerous successful inventions that have revolutionized various sectors.

Collaborations: Throughout his career, Maruyama has collaborated with top research institutions, universities, and tech companies to further develop his inventions and bring them to the market, solidifying his reputation as a visionary inventor.

Conclusion: Hiroshi Maruyama's relentless pursuit of innovation and his passion for creating cutting-edge solutions have cemented his legacy as a pioneering inventor in Japan and beyond.

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]