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For the Inventor, By the Inventor

Kariya, Japan

Hiroaki Kayukawa

This inventor holds 87 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Variable Displacement Compressor (CPC class 417269). Top assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kabushiki Kaisha Toyota Jidoshokki, Toyoda Automatic Loom Works, Ltd.. Active years: 1987-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Kayukawa. Retrieved from https://idiyas.com/inventor/hiroaki-kayukawa

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

USPTO Granted Patents = 87 

% Patents Active = 85.1

 

Average Co-Inventor Count = 3.8

ph-index = 16

Forward Citations = 1,054(Granted Patents)

Forward Citations (Not Self Cited) = 974(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Aichi, JP (2002)
  • Kariya, JP (1987 - 2012)
  • Aichi-ken, JP (2010 - 2015)

Company Filing History:

goldMedal68 out of 1,343 
 
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
 patents
silverMedal14 out of 1,899 
 
Kabushiki Kaisha Toyota Jidoshokki
 patents
bronzeMedal1 out of 5 
 
Toyoda Automatic Loom Works, Ltd.
 patents
4. 1 out of 1 
 
Toyoda Jidoshokki Seisakusho Kabushiki Kaisha
 patent
5. 1 out of 1,432 
 
Ube Industries, Inc.
 patents
6. 2 out of 834,453 
Other
 patents

Years Active: 1987-2015

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Areas of Expertise:
Variable Displacement Compressor
Vibration Damping
Compressor Control Valve
Swash Plate
Piston Type Compressor
Compressor for Vehicle
Magnesium-Based Material
Pressure Pulsations
Lubrication Mechanism
Axial Movement Restriction
Oil Separating Structure
Check Valve
87 patents (USPTO):Explore Patents
1. 9062666 - Swash plate type variable displacement compressor and method of controlling solenoid thereof (2015-06-23),
2. 8172552 - Variable displacement compressor (2012-05-08),
3. 7648346 - Variable displacement compressor (2010-01-19),
4. 7186096 - Swash plate type variable displacement compressor (2007-03-06),
5. 7137267 - Apparatus for variable displacement type compressor (2006-11-21),
6. 6979182 - Vibration damping mechanism for piston type compressor (2005-12-27),
7. 6969241 - Vibration damping mechanism for piston type compressor (2005-11-29),
8. 6932582 - Vibration damping mechanism for piston type compressor (2005-08-23),
9. 6786705 - Variable displacement compressor (2004-09-07),
10. 6688852 - Means for restricting drive shaft movement for a piston type compressor (2004-02-10),
11. 6584886 - Compressor (2003-07-01),
12. 6582200 - Swash plate compressor having shoes made of a magnesium-based material (2003-06-24),
13. 6558133 - Variable displacement compressor (2003-05-06),
14. 6547533 - Axial movement restriction means for swash plate compressor and compressor assembly method (2003-04-15),
15. 6514049 - Compressor control valve with two independently operated check valves, wherein the crank chamber pressure is the control pressure, and the monitor pressure is the suction pressure (2003-02-04),

Title: The Innovative Journey of Hiroaki Kayukawa

Introduction: Hiroaki Kayukawa is a pioneering inventor hailing from Kariya, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroaki Kayukawa holds several patents in the areas of automotive engineering, robotics, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Hiroaki Kayukawa has worked tirelessly to develop cutting-edge technologies that have revolutionized various industries. His commitment to innovation has earned him recognition as a leading figure in the world of inventors.

Collaborations: Throughout his career, Hiroaki Kayukawa has collaborated with top research institutions, universities, and multinational companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of numerous groundbreaking projects.

Conclusion: Hiroaki Kayukawa's passion for innovation, coupled with his dedication to pushing the boundaries of what is possible, has solidified his reputation as a visionary inventor. His contributions continue to inspire future generations of inventors to think boldly and create solutions that shape the world we live in.

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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