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For the Inventor, By the Inventor

Wako, Japan

Yoshihiro Akiyama

This inventor holds 10 USPTO granted patents and 5 EPO patents. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha, Mahle Filter Systems Japan Corporation. Active years: 1998-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Akiyama. Retrieved from https://idiyas.com/inventor/yoshihiro-akiyama

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

USPTO Granted Patents = 10

% Patents Active = 60.0


Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Saitama, JP (2013 - 2015)
  • Wako, JP (1998 - 2016)

Company Filing History:

goldMedal7 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
silverMedal3 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
bronzeMedal2 out of 85 
 
Mahle Filter Systems Japan Corporation
 patents
4. 1 out of 17 
 
Gp Daikyo Corporation
 patents
where one patent can have more than one assignee

Years Active: 1998-2016

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10 patents (USPTO):Explore Patents
1. 9376984 - Cooling structure for internal combustion engine (2016-06-28),
2. 9169803 - Seal member, and plug tube seal structure for engine (2015-10-27),
3. 8919302 - Cooling structure for internal combustion engine (2014-12-30),
4. 8763568 - Cooling structure for internal combustion engine (2014-07-01),
5. 8381706 - Head cover of an internal combustion engine (2013-02-26),
6. 8365695 - Intake manifold for internal combustion engine (2013-02-05),
7. 8240281 - Head cover of an internal combustion engine (2012-08-14),
8. 6860526 - Coupling structure for a hollow body (2005-03-01),
9. 6644260 - Intake manifold (2003-11-11),
10. 5722700 - Coupling structure for pipes of synthetic resin (1998-03-03),

Title: Yoshihiro Akiyama: Innovator in Engine Technology

Introduction

Yoshihiro Akiyama is a prominent inventor based in Wako, Japan. He has made significant contributions to the field of engine technology, holding a total of 10 patents. His innovative designs focus on improving the efficiency and functionality of internal combustion engines.

Latest Patents

One of Akiyama's latest patents is a cooling structure for internal combustion engines. This invention includes a spacer fitted inside a water jacket that surrounds multiple cylinder bores. The spacer regulates the flow of cooling water, thereby controlling the cooling conditions of the cylinder bores. Another notable patent is a seal member and plug tube seal structure for engines. This design features an elastically deformable base section that engages with a groove in the ignition plug mounting hole, ensuring a secure and effective seal.

Career Highlights

Throughout his career, Akiyama has worked with notable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.

Collaborations

Akiyama has collaborated with talented individuals in the field, including Takeru Hamakawa and Atsushi Nakajima. These partnerships have contributed to the advancement of his inventions and the overall progress in engine technology.

Conclusion

Yoshihiro Akiyama is a distinguished inventor whose work has significantly impacted engine technology. His innovative patents and collaborations reflect his dedication to improving internal combustion engines.

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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