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For the Inventor, By the Inventor

Aichi, Japan

Hisaki Kato

This inventor holds 28 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Gallium Nitride Semiconductors. Top assignees: Toyoda Gosei Co., Ltd., Nagoya University, Kabushiki Kaisha Toyota Chuo Kenkyusho. Active years: 1991-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisaki Kato. Retrieved from https://idiyas.com/inventor/hisaki-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 = 28 

% Patents Active = 75.0


Average Co-Inventor Count = 5.6

ph-index = 14

Forward Citations = 595(Granted Patents)


Location History:

  • Nishikasugai, JP (1991)
  • Komaki, JP (1992)
  • Toyohashi, JP (1997)
  • Nishikasugai-gun, JP (2003)
  • Okazaki, JP (1994 - 2006)
  • Nakashima-gun, JP (1999 - 2008)
  • Aichi-ken, JP (1997 - 2011)

Company Filing History:

goldMedal21 out of 3,086 
 
Toyoda Gosei Co., Ltd.
 patents
silverMedal4 out of 371 
 
Nagoya University
 patents
bronzeMedal3 out of 1,154 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
4. 3 out of 256 
 
Research Development Corporation of Japan
 patents
5. 1 out of 1,329 
 
Japan Science and Technology Agency
 patents
6. 9 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2011

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Areas of Expertise:
Light-Emitting Device
Gallium Nitride
Group III Nitride
Semiconductor
Luminous Intensity
Manufacturing Method
Sapphireless
Electrochromic Elements
Laser Diode
Semiconductor Device
Compound Semiconductor
Alicyclic Epoxy
28 patents (USPTO):Explore Patents
1. 7867800 - Light-emitting semiconductor device using group III nitrogen compound (2011-01-11),
2. 7332366 - Light-emitting semiconductor device using group III nitrogen compound (2008-02-19),
3. 7138286 - Light-emitting semiconductor device using group III nitrogen compound (2006-11-21),
4. 7045809 - Light-emitting semiconductor device using gallium nitride compound semiconductor (2006-05-16),
5. 7001790 - Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensity (2006-02-21),
6. 6984536 - Method for manufacturing a gallium nitride group compound semiconductor (2006-01-10),
7. 6881651 - Methods and devices using group III nitride compound semiconductor (2005-04-19),
8. 6853009 - Light-emitting semiconductor device using gallium nitride compound semiconductor (2005-02-08),
9. 6830992 - Method for manufacturing a gallium nitride group compound semiconductor (2004-12-14),
10. 6617787 - Light-emitting system with alicyclic epoxy sealing member (2003-09-09),
11. 6617668 - Methods and devices using group III nitride compound semiconductor (2003-09-09),
12. 6607595 - Method for producing a light-emitting semiconductor device (2003-08-19),
13. 6593599 - Light-emitting semiconductor device using gallium nitride group compound (2003-07-15),
14. 6472690 - Gallium nitride group compound semiconductor (2002-10-29),
15. 6472689 - Light emitting device (2002-10-29),

Title: The Innovative Journey of Hisaki Kato

Introduction: Hisaki Kato, a pioneering inventor hailing from Aichi-ken, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Hisaki Kato's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions. These patents showcase his commitment to sustainable innovation.

Career Highlights: With a career spanning over two decades, Hisaki Kato has established himself as a leading figure in the tech industry. His notable achievements include the development of cutting-edge semiconductor devices and novel materials for electronic applications.

Collaborations: Throughout his career, Hisaki Kato has collaborated with top research institutions and leading tech companies to bring his inventions to life. His partnerships have been instrumental in pushing the boundaries of technological innovation.

Conclusion: Hisaki Kato's relentless pursuit of innovation and his passion for creating a sustainable future have solidified his reputation as a visionary inventor. His contributions continue to inspire the next generation of inventors and shape the landscape of technological advancements.

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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