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For the Inventor, By the Inventor

Kariya, Japan

Hiroshi Kato

This inventor holds 89 USPTO granted patents and 12 published patent applications and 12 EPO patents, primarily in Vehicle Drive Technology (CPC class F16H2200-2046). Top assignees: Aisin Aw Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Japan Gore-Tex Inc.. Active years: 1978-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kato. Retrieved from https://idiyas.com/inventor/hiroshi-kato-z9ycs7m9

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

Calculating rank
USPTO Granted Patents = 89 

% Patents Active = 70.8

 

Average Co-Inventor Count = 2.7

ph-index = 15

Forward Citations = 794(Granted Patents)

Forward Citations (Not Self Cited) = 750(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Toyoda, JA (1978)
  • Tokorozawa, JP (1984)
  • Wake, JP (1986 - 1988)
  • Tokyo, JP (1997 - 1998)
  • Okayama-ken, JP (1999)
  • Okayam, JP (1999)
  • Aichi-ken, JP (2010)
  • Nagoya, JP (2006 - 2013)
  • Okayama, JP (1992 - 2014)
  • Aichi, JP (2011 - 2014)
  • Okazaki, JP (2006 - 2016)
  • Susono, JP (2015 - 2017)
  • Toyota, JP (1980 - 2018)
  • Anjo, JP (2000 - 2020)
  • Nukata-gun, JP (2012 - 2021)
  • Kariya, JP (2003 - 2023)
  • Kiyosu, JP (2014 - 2023)
  • Iwakura, JP (2024)

Company Filing History:

goldMedal29 out of 2,064 
 
Aisin Aw Co., Ltd.
 patents
silverMedal21 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents
bronzeMedal16 out of 66 
 
Japan Gore-Tex Inc.
 patents
4. 8 out of 3,086 
 
Toyoda Gosei Co., Ltd.
 patents
5. 4 out of 682 
 
Aisin Corporation
 patents
6. 4 out of 17,900 
 
Brother Kogyo Kabushiki-Kaisha
 patents
7. 3 out of 5,207 
 
Aisin Seiki Kabushiki Kaisha
 patents
8. 3 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
9. 3 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
10. 3 out of 1,688 
 
W. L. Gore & Associates, Inc.
 patents
11. 2 out of 309 
 
Gore Enterprise Holdings, Inc.
 patents
12. 2 out of 69 
 
Junkosha Co., Ltd.
 patents
13. 2 out of 6,426 
 
Sumitomo Wiring Systems, Limited
 patents
14. 1 out of 20 
 
Matsuo Industries, Inc.
 patents
15. 1 out of 1,652 
 
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
 patents
16. 1 out of 36,735 
 
Nec Corporation
 patents
17. 1 out of 2,606 
 
Ngk Spark Plug Company, Limited
 patents
18. 1 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
19. 1 out of 9 
 
Toyota Motor East Japan, Inc.
 patents
20. 1 out of 36 
 
W.l. Gore & Associates, Co., Ltd.
 patents
21. 1 out of 8,397 
 
Yazaki Corporation
 patents
where one patent can have more than one assignee

Years Active: 1978-2026

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Areas of Expertise:
Vehicle Drive Device
Automatic Transmission
Occupant Protection Device
Power Transmission System
Multi-Speed Transmission
Cooling Structure
Side Airbag Apparatus
Hydraulic Clutch
Electric Pump
Transmission Device
Reinforced Electrolyte Membrane
Membrane-Electrode Assembly
89 patents (USPTO):Explore Patents
1. 12621635 - Information processing device and information processing method (2026-05-05),
2. 12214670 - Vehicle drive device (2025-02-04),
3. 11928288 - Operation input device, operation input method, and non-transitory computer-readable medium storing operation input program (2024-03-12),
4. 11807100 - Vehicle drive transmission apparatus (2023-11-07),
5. 11802614 - Vehicle drive device (2023-10-31),
6. 11554742 - Head portion protection airbag device (2023-01-17),
7. 11407301 - Vehicle drive device (2022-08-09),
8. 11028906 - Vehicle drive system (2021-06-08),
9. 10998796 - Structure for cooling rotating electrical machine and vehicle drive device (2021-05-04),
10. 10808831 - Vehicular power transmitting system (2020-10-20),
11. 10473192 - Multi-stage transmission (2019-11-12),
12. 10352409 - Multi-stage transmission (2019-07-16),
13. 10112571 - Occupant protection device (2018-10-30),
14. 10106196 - Vehicle rear section structure (2018-10-23),
15. 10005417 - Occupant protection device (2018-06-26),

Title: The Innovative Journey of Inventor Hiroshi Kato

Introduction: Hiroshi Kato, a pioneering inventor hailing from Kariya, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents: Hiroshi Kato's latest patents showcase his expertise in the field of automotive engineering, with a focus on sustainable energy solutions and cutting-edge safety features.

Career Highlights: With a career spanning over two decades, Hiroshi Kato has established himself as a leading figure in the automotive industry, revolutionizing the way we think about transportation and mobility.

Collaborations: Throughout his career, Hiroshi Kato has collaborated with top research institutions, universities, and leading automotive companies to bring his innovative ideas to life and shape the future of the industry.

Conclusion: Hiroshi Kato's passion for innovation and dedication to pushing the boundaries of technology have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to dream big and think outside the box.

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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