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For the Inventor, By the Inventor

Sakai, Japan

Keiichi Nakano

This inventor holds 13 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1978-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Nakano. Retrieved from https://idiyas.com/inventor/keiichi-nakano

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 136(Granted Patents)


Location History:

  • Osaka, JP (1986 - 1987)
  • Sakaishi, JP (1978 - 1988)
  • Sakai, JP (1979 - 2013)

Company Filing History:

goldMedal13 out of 2,907 
 
Kubota Corporation
 patents

Years Active: 1978-2013

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13 patents (USPTO):Explore Patents
1. 8453629 - Spark-ignition engine (2013-06-04),
2. 6354284 - Intake device for multi-cylinder engine (2002-03-12),
3. 5497747 - Engine with mechanical governor (1996-03-12),
4. 4732237 - Splash lubricating device for a horizontal or inclined engine (1988-03-22),
5. 4686946 - Valve moving system of an overhead valve engine (1987-08-18),
6. 4633824 - Cooling means for the squish part of an air cooling overhead valve engine (1987-01-06),
7. 4628878 - Splash lubricating system for an engine (1986-12-16),
8. 4610227 - Automatic decompression system for starting engine (1986-09-09),
9. 4563986 - Splash lubricated over head valve engine (1986-01-14),
10. 4426844 - Engine muffler of heat-exchanging type (1984-01-24),
11. 4156409 - V-Shaped forced air cooling 4-cycle engine (1979-05-29),
12. 4142502 - Engine and component arrangement (1979-03-06),
13. 4100909 - Lubrication system for air-cooled engines (1978-07-18),

Title: **The Innovations of Keiichi Nakano**

Introduction

Keiichi Nakano, an accomplished inventor based in Sakaishi, Japan, has made significant contributions to the field of engine technology. With a portfolio of 13 patents to his name, Nakano's innovative designs have advanced the efficiency and performance of multi-cylinder engines.

Latest Patents

Among his latest inventions, Nakano has developed a spark-ignition engine featuring a unique plug hole design that incorporates an ignition plug and a plug cap integrated with an ignition coil. This innovative arrangement allows the plug hole to be positioned outside the head cover, facilitating improved operation and maintenance. Additionally, his intake device for a multi-cylinder engine includes a carefully designed fuel-air mixture inlet and branched passages, ensuring optimal fuel efficiency and engine performance.

Career Highlights

Keiichi Nakano is currently affiliated with Kubota Corporation, a company renowned for its cutting-edge engineering solutions. Throughout his career, Nakano has focused on enhancing engine designs, demonstrating a profound understanding of mechanical engineering principles and a commitment to innovation.

Collaborations

Nakano has worked alongside esteemed colleagues, including Tatsutoshi Umeda and Yoshio Tani, who have collaborated with him in refining engine technologies. Their combined expertise has led to groundbreaking advancements within the industry, supporting the vision of creating more efficient and reliable engines.

Conclusion

Keiichi Nakano's remarkable contributions as an inventor continue to shape the future of engine technology. With several innovative patents under his belt, he stands as a leading figure in the pursuit of more efficient and powerful engines, showcasing the importance of collaboration and ingenuity in the world of engineering.

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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