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For the Inventor, By the Inventor

Oyama, Japan

Kunihiko Komiyama

This inventor holds 7 USPTO granted patents. Top assignees: Kabushiki Kaisha Komatsu Seisakusho, Komatsu Corporation. Active years: 1979-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiko Komiyama. Retrieved from https://idiyas.com/inventor/kunihiko-komiyama

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 129(Granted Patents)


Company Filing History:

goldMedal6 out of 1,009 
 
Kabushiki Kaisha Komatsu Seisakusho
 patents
silverMedal1 out of 2,817 
 
Komatsu Corporation
 patents

Years Active: 1979-2002

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7 patents (USPTO):Explore Patents
1. 6435166 - Exhaust gas recirculation device and control method thereof (2002-08-20),
2. 4527995 - Fuel blended with alcohol for diesel engine (1985-07-09),
3. 4509953 - Fuel blended with alcohol for diesel engine (1985-04-09),
4. 4280464 - Fuel injection control system for internal combustion engine (1981-07-28),
5. 4221190 - Combustion chamber for an internal combustion engine of direct injection (1980-09-09),
6. 4176628 - Combustion chamber for an internal combustion engine of direct injection (1979-12-04),
7. 4164913 - Combustion chamber for an internal combustion engine of direct injection (1979-08-21),

Title: Kunihiko Komiyama: Innovator in Diesel Engine Technology

Introduction

Kunihiko Komiyama is a notable inventor based in Oyama, Japan. He has made significant contributions to the field of diesel engine technology, holding a total of 7 patents. His innovative work focuses on improving the efficiency and performance of diesel engines through advanced engineering solutions.

Latest Patents

Among his latest patents is the "Exhaust gas recirculation device and control method thereof." This invention features a Roots blower driven by a direct-current motor, which is integrated into a recirculation duct. This setup connects the exhaust duct and intake duct, allowing a portion of exhaust gas from a diesel engine to be recirculated back to the intake side. This design ensures that even when there are fluctuations in pressure between the exhaust and intake sides, the exhaust gas can be effectively pumped and controlled, optimizing the recirculation amount based on the engine's operational conditions.

Another significant patent is for "Fuel blended with alcohol for diesel engine." This invention involves a fuel mixture that includes petroleum fuel, methanol, and a higher alcohol with 10 to 16 carbon atoms, serving as a mutual solvent. This innovative fuel blend aims to enhance the performance and efficiency of diesel engines.

Career Highlights

Throughout his career, Kunihiko Komiyama has worked with prominent companies, including Komatsu Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in diesel engine technology.

Collaborations

Kunihiko has collaborated with notable colleagues such as Seikichi Kanai and Masaru Okada. Their combined expertise has fostered a creative environment that has led to significant technological advancements.

Conclusion

Kunihiko Komiyama's contributions to diesel engine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry, paving the way for more efficient and effective diesel engine solutions.

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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