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For the Inventor, By the Inventor

Wako, Japan

Yukihisa Yamaya

This inventor holds 6 USPTO granted patents and 8 EPO patents. Top assignee: Honda Motor Co., Ltd.. Active years: 2011-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihisa Yamaya. Retrieved from https://idiyas.com/inventor/yukihisa-yamaya

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

USPTO Granted Patents = 6

% Patents Active = 16.7

 

Average Co-Inventor Count = 7.3

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Saitama, JP (2011)
  • Wako, JP (2011 - 2014)

Company Filing History:

goldMedal6 out of 22,006 
 
Honda Motor Co., Ltd.
 patents

Years Active: 2011-2014

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6 patents (USPTO):Explore Patents
1. 8714136 - Direct fuel-injection engine (2014-05-06),
2. 8627798 - Direct fuel-injection engine (2014-01-14),
3. 8474431 - Direct fuel-injected engine (2013-07-02),
4. 8056532 - Direct fuel injection diesel engine (2011-11-15),
5. 7992536 - Direct fuel injection diesel engine (2011-08-09),
6. 7861685 - Direct fuel injection diesel engine (2011-01-04),

Title: Innovations of Yukihisa Yamaya in Direct Fuel-Injection Engine Technology

Introduction

Yukihisa Yamaya is a notable inventor based in Wako, Japan, recognized for his contributions to engine technology. He holds a total of 6 patents, showcasing his innovative approach to improving engine performance and efficiency.

Latest Patents

One of his latest patents involves a direct fuel-injection engine equipped with a pentroof-shaped piston. This design features cross-sectional shapes that are uniform in the circumferential direction, enhancing the mixing of fuel and air, which ultimately improves engine output and reduces harmful exhaust emissions. Another significant patent describes a direct fuel-injection engine that optimizes the collision angles of fuel injections to ensure better deflection towards the cavity, further enhancing combustion efficiency.

Career Highlights

Yukihisa Yamaya has made significant strides in the automotive industry, particularly through his work at Honda Motor Co., Ltd. His innovative designs have contributed to advancements in engine technology, making vehicles more efficient and environmentally friendly.

Collaborations

He has collaborated with esteemed colleagues such as Hiroshi Sono and Nobuhiko Sasaki, working together to push the boundaries of engine design and functionality.

Conclusion

Yukihisa Yamaya's work in direct fuel-injection engine technology exemplifies the impact of innovative thinking in the automotive sector. His patents reflect a commitment to enhancing engine performance while addressing environmental concerns.

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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