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For the Inventor, By the Inventor

Numazu, Japan

Akira Shimoyama

This inventor holds 9 USPTO granted patents. Top assignee: Kokusan Denki Co., Ltd.. Active years: 2003-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Shimoyama. Retrieved from https://idiyas.com/inventor/akira-shimoyama

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 49(Granted Patents)


Company Filing History:

goldMedal9 out of 180 
 
Kokusan Denki Co., Ltd.
 patents

Years Active: 2003-2011

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9 patents (USPTO):Explore Patents
1. 8056536 - Ignition device for internal combustion engine (2011-11-15),
2. 7603982 - Capacitor discharge engine ignition device (2009-10-20),
3. 7472688 - Ignition device for internal combustion engine (2009-01-06),
4. 7171948 - Ignition device for internal combustion engine (2007-02-06),
5. 6997167 - Fuel injection control system for engine (2006-02-14),
6. 6935168 - Stroke determination method of four cycle internal combustion engine and device thereof (2005-08-30),
7. 6814050 - Fuel cut control device for internal combustion engine (2004-11-09),
8. 6639374 - Method and device for controlling DC servomotor for driving rotating load (2003-10-28),
9. 6598469 - Method and apparatus for detecting operating state of internal combustion engines (2003-07-29),

Title: Akira Shimoyama: Innovator in Ignition Technology

Introduction

Akira Shimoyama is a notable inventor based in Numazu, Japan, recognized for his contributions to ignition technology. With a total of nine patents to his name, Shimoyama has made significant advancements in the field of internal combustion engines.

Latest Patents

One of his latest inventions is an ignition device for internal combustion engines. This device includes an exciter coil that generates an AC voltage with specific waveforms, and a microprocessor-controlled ignition system that optimizes the ignition position based on engine rotational speed. Another significant patent is a capacitor discharge ignition device, which features a coil unit and an ignition unit housed in a resin-molded case. This design enhances the efficiency and reliability of ignition systems.

Career Highlights

Shimoyama is currently employed at Kokusan Denki Co., Ltd., where he continues to innovate and develop new technologies. His work has contributed to the advancement of ignition systems, making them more efficient and effective for modern engines.

Collaborations

Throughout his career, Shimoyama has collaborated with notable colleagues, including Masayuki Sugiyama and Yasukazu Hatano. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Akira Shimoyama's work in ignition technology exemplifies the spirit of innovation. His patents reflect a commitment to improving engine performance and efficiency, making him a significant figure in the field.

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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