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For the Inventor, By the Inventor

Kameoka, Japan

Ikuo Maruyama

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ikuo Maruyama. Retrieved from https://idiyas.com/inventor/ikuo-maruyama

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 3

Forward Citations = 125(Granted Patents)


Company Filing History:

goldMedal3 out of 1,649 
 
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
 patents

Years Active: 1996

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3 patents (USPTO):Explore Patents
1. 5562571 - Lockup clutch released then re-engaged during deceleration control method (1996-10-08),
2. 5498217 - Control method of vehicle engine arranged in association with fluid (1996-03-12),
3. 5481906 - Fault diagnosis apparatus and method for vehicle control system (1996-01-09),

Title: Ikuo Maruyama: Innovator in Vehicle Engine Control Technologies

Introduction

Ikuo Maruyama is a notable inventor based in Kameoka, Japan. He has made significant contributions to the field of vehicle engine control technologies. With a total of 3 patents to his name, Maruyama's work focuses on enhancing the efficiency and performance of vehicle engines.

Latest Patents

One of Maruyama's latest patents is a method for controlling the state of engagement of a damper clutch associated with a vehicle engine. This innovative method allows for the connection between an input member and an output member in a torque converter during deceleration. The damper clutch is initially released for a predetermined time before being re-engaged, allowing for a desired slip state that optimizes engine performance. Another significant patent involves a control method for a vehicle engine arranged with a fluid coupling. This method detects the engagement state of the clutch and determines if the vehicle is in a decelerated operation state, subsequently increasing the engine output when conditions are met.

Career Highlights

Ikuo Maruyama is currently employed at Mitsubishi Jidosha Kogyo Kabushiki Kaisha, a leading company in the automotive industry. His work has been instrumental in developing advanced control methods that improve vehicle performance and efficiency.

Collaborations

Throughout his career, Maruyama has collaborated with esteemed colleagues such as Yoshimasa Nagayoshi and Hisaji Nakamura. Their combined expertise has contributed to the successful development of innovative technologies in the automotive sector.

Conclusion

Ikuo Maruyama's contributions to vehicle engine control technologies highlight his role as a significant inventor in the automotive industry. His innovative patents and collaborations continue to influence advancements in vehicle performance and efficiency.

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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