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For the Inventor, By the Inventor

Saitama, Japan

Shigeru Sato

This inventor holds 12 USPTO granted patents. Top assignees: Kioritz Corporation, Yamabiko Corporation, Other. Active years: 1988-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Sato. Retrieved from https://idiyas.com/inventor/shigeru-sato-7tvhe7yq

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 75.0

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 109(Granted Patents)


Location History:

  • Sayama, JP (1988 - 1998)
  • Saga, JP (2012)
  • Saitama, JP (1998 - 2023)

Company Filing History:

goldMedal8 out of 435 
 
Kioritz Corporation
 patents
silverMedal1 out of 180 
 
Yamabiko Corporation
 patents
bronzeMedal4 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-2023

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12 patents (USPTO):Explore Patents
1. 11739685 - Camshaft for internal-combustion engine (2023-08-29),
2. 11225904 - Internal-combustion engine and drive system (2022-01-18),
3. 8232665 - Vertical wind collector and redirecting tower (2012-07-31),
4. 7857881 - Air cleaner for two-stroke internal combustion engine and method of tuning the length of air-fuel mixture passage by using the air cleaner (2010-12-28),
5. 7520253 - Two-stroke internal combustion engine (2009-04-21),
6. 6223705 - Two-stroke internal combustion engine (2001-05-01),
7. 6164066 - Muffler for internal combustion engine (2000-12-26),
8. 5881687 - Two-stroke internal combustion engine (1999-03-16),
9. 5857327 - Muffler for an internal combustion engine (1999-01-12),
10. 5826567 - Two-stroke internal combustion engine (1998-10-27),
11. 5738184 - Muffler for a two-stroke engine (1998-04-14),
12. H000517 - Recoil starter device (1988-09-05),

Title: Shigeru Sato: Innovator in Internal Combustion Engine Technology

Introduction

Shigeru Sato is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 12 patents. His innovative designs focus on improving engine efficiency and performance.

Latest Patents

One of Sato's latest patents is a camshaft for internal combustion engines. This camshaft features a ball cam that adjusts its protrusion based on the rotation of the camshaft. The design includes a double structure with an inner and outer shaft, allowing for helical displacement that optimizes valve operation. Another notable patent involves an internal combustion engine that combines the strokes of both four-cycle and two-cycle engines. This configuration aims to reduce pumping loss and enhance output in a six-cycle internal combustion engine.

Career Highlights

Throughout his career, Shigeru Sato has worked with Kioritz Corporation, where he applied his expertise in engine technology. His work has contributed to advancements in engine design and functionality, making him a respected figure in the industry.

Collaborations

Sato has collaborated with notable individuals such as Yukio Sakaguchi and Yasuharu Sato. These partnerships have fostered innovation and development in the field of internal combustion engines.

Conclusion

Shigeru Sato's contributions to internal combustion engine technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in engine efficiency and performance.

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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