Tokyo, Japan

Hiroyuki Kato

This inventor holds 105 USPTO granted patents and 18 published patent applications, plus 2 CIPO patents and 23 EPO patents, primarily in Servo Amplifiers (CPC class A61M37-0015). Top assignees: Mitsubishi Electric Corporation, Casio Computer Co., Ltd., Toppan Printing Co., Ltd.. Active years: 1992-2026.

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

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

Calculating rank
USPTO Granted Patents = 105 

% Patents Active = 67.6

 

 

Average Co-Inventor Count = 2.8

ph-index = 12

Forward Citations = 528(Granted Patents)

Forward Citations (Not Self Cited) = 425(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chiyoda, JP (2012)
  • Chiyoda-ku, JP (2009 - 2013)
  • Yokkaichi, JP (2016)
  • Hamura, JP (2019)
  • Fussa, JP (2014 - 2020)
  • Taito-ku, JP (2017 - 2021)
  • Chiba, JP (2021)
  • Tokyo, JP (1992 - 2024)

Company Filing History:

goldMedal40 out of 16,668 
 
Mitsubishi Electric Corporation
 patents
silverMedal15 out of 5,234 
 
Casio Computer Co., Ltd.
 patents
bronzeMedal14 out of 1,269 
 
Toppan Printing Co., Ltd.
 patents
4. 7 out of 1,445 
 
Stanley Electric Co., Ltd
 patents
5. 4 out of 175 
 
Yahoo Japan Corporation
 patents
6. 3 out of 349 
 
Asahi Kasei Microdevices Corporation
 patents
7. 3 out of 2,583 
 
Ebara Corporation
 patents
8. 2 out of 507 
 
Akebono Brake Industry Co., Ltd.
 patents
9. 2 out of 36,770 
 
Nec Corporation
 patents
10. 1 out of 4 
 
Absize, Inc.
 patents
11. 1 out of 10 
 
Akebono Brake Industry
 patents
12. 1 out of 176 
 
Asahi Kogaku Kogyo K.k.
 patents
13. 1 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
14. 1 out of 53,315 
 
Kabushiki Kaisha Toshiba
 patents
15. 1 out of 535 
 
Mitsuba Corporation
 patents
16. 1 out of 37 
 
National Institute of Infectious Diseases
 patents
17. 1 out of 3,727 
 
Nippon Steel Corporation
 patents
18. 1 out of 614 
 
Nkk Corporation
 patents
19. 1 out of 1,047 
 
Osaka University
 patents
20. 1 out of 53 
 
Stanley Electric Corporation
 patents
21. 1 out of 51 
 
Taiyo Kagaku Co., Ltd.
 patents
22. 1 out of 6,293 
 
Toshiba Tec Kabushiki Kaisha
 patents
23. 1 out of 299 
 
Wako Pure Chemical Industries, Inc.
 patents
24. 1 out of 180 
 
Yamatake Corporation
 patents
25. 1 out of 665 
 
Yoshino Kogyosho Co., Ltd.
 patents
26. 2 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2026

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Areas of Expertise:
Servo Amplifier
Fluid Sterilizing Apparatus
Programmable Controller
Gas Sensor
Transdermal Administration Device
Microneedle Unit
Liquid Removal Device
Display Apparatus
Information Processing Device
Output Control Apparatus
Drug Administration Device
Acicular Body
105 patents (USPTO):Explore Patents

Title: The Inventive Journey of Hiroyuki Kato

Introduction: Hiroyuki Kato, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of technology with a remarkable number of 50 patents under his belt. His innovative spirit and dedication have led to groundbreaking developments in various industries.

Latest Patents: Among his latest patents is a Memory Card Reader for Programmable Controller, showcasing his expertise in developing cutting-edge solutions for data storage and automation. Additionally, Kato's Servo Amplifier patent highlights his proficiency in the design and optimization of electronic control systems.

Career Highlights: Hiroyuki Kato has held notable positions at renowned companies such as Mitsubishi Electric Corporation and Stanley Electric Co., Ltd. His vast experience and expertise in the industry have been instrumental in driving technological advancements and shaping the future of innovation.

Collaborations: Throughout his career, Kato has collaborated with esteemed professionals in the field, including Michihiro Sano and Kazuhiko Shimura. These collaborations have not only enhanced his own inventive capabilities but have also resulted in successful projects that have made a significant impact in the industry.

Conclusion: Hiroyuki Kato's journey as an inventor is a testament to his passion for innovation and his unwavering commitment to pushing the boundaries of technological excellence. His numerous patents, combined with his extensive career highlights and valuable collaborations, solidify his legacy as a pioneering figure in the world of technology.

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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