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For the Inventor, By the Inventor

Kakogawa, Japan

Tadao Yashirodai

This inventor holds 17 USPTO granted patents. Top assignee: Kawasaki Jukogyo Kabushiki Kaisha. Active years: 2000-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Yashirodai. Retrieved from https://idiyas.com/inventor/tadao-yashirodai

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

USPTO Granted Patents = 17

% Patents Active = 82.4

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 49(Granted Patents)


Company Filing History:

goldMedal17 out of 3,455 
 
Kawasaki Jukogyo Kabushiki Kaisha
 patents

Years Active: 2000-2014

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17 patents (USPTO):Explore Patents
1. 8726859 - Two-stroke cycle combustion engine of air scavenging type (2014-05-20),
2. 8596232 - Two-stroke cycle engine (2013-12-03),
3. 7096850 - Four-cycle internal combustion engine (2006-08-29),
4. 6659188 - Hand-held edger (2003-12-09),
5. D475256 - Cutter for edge trimmer (2003-06-04),
6. 6497044 - Cutting blade cover for brush cutter (2002-12-24),
7. 6487777 - Cutting blade cover (2002-12-03),
8. 6484815 - Impact generator (2002-11-26),
9. 6481509 - Impact generator (2002-11-19),
10. D460668 - Edger for lawn (2002-07-24),
11. 6341482 - Cutting blade for reaper (2002-01-29),
12. 6338237 - Portable reaper (2002-01-15),
13. 6213677 - Joint mechanism for mowing machine (2001-04-10),
14. D439814 - Cutter blade for reaper machine (2001-04-04),
15. 6044926 - Muffler for small general-purpose engine (2000-04-04),

Title: Tadao Yashirodai: Innovator in Two-Stroke Cycle Engine Technology

Introduction

Tadao Yashirodai is a prominent inventor based in Kakogawa, Japan. He has made significant contributions to the field of engine technology, particularly in the development of two-stroke cycle combustion engines. With a total of 17 patents to his name, Yashirodai continues to push the boundaries of innovation in this area.

Latest Patents

Among his latest inventions is a two-stroke cycle combustion engine of an air scavenging type. This engine design features one or more scavenging passages that connect the crank chamber and combustion chamber. It also includes an air passage for supplying air and introducing passages that direct the air into the upper portion of each scavenging passage. The design is enhanced by a covering member that integrates with the scavenging block. Another notable patent is a two-stroke cycle engine that introduces an air/fuel mixture and air from a scavenging passage into the combustion chamber. This engine incorporates a valve body for adjusting the air supply passage and a check valve to prevent reverse flow, along with a delay member to optimize the timing of air delivery.

Career Highlights

Tadao Yashirodai is currently employed at Kawasaki Jukogyo Kabushiki Kaisha, a leading company in the manufacturing of motorcycles and engines. His work at Kawasaki has allowed him to collaborate with other talented engineers and inventors, further enhancing his contributions to the field.

Collaborations

Yashirodai has worked alongside notable colleagues such as Yoshiro Yamane and Kazuhiko Takemoto. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Tadao Yashirodai's work in two-stroke cycle engine technology exemplifies the spirit of innovation. His numerous patents and collaborations highlight his commitment to advancing engine design and functionality. Through his efforts, he continues to make a lasting impact in the field 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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