logo

For the Inventor, By the Inventor

Tokyo, Japan

Kei Kato

This inventor holds 18 USPTO granted patents and 4 published patent applications. Top assignees: Sumitomo Osaka Cement Co., Ltd., Oki Electric Industry Co., Ltd., Hitachi, Ltd.. Active years: 1996-2025.

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

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

USPTO Granted Patents = 18 

% Patents Active = 77.8

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 54(Granted Patents)


Location History:

  • Chiba, JP (2006 - 2011)
  • Tokyo, JP (1996 - 2023)

Company Filing History:

goldMedal9 out of 482 
 
Sumitomo Osaka Cement Co., Ltd.
 patents
silverMedal7 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
bronzeMedal1 out of 42,731 
 
Hitachi, Ltd.
 patents
4. 1 out of 7,654 
 
Renesas Electronics Corporation
 patents

Years Active: 1996-2025

Loading Chart...
18 patents (USPTO):Explore Patents
1. 12392968 - Optical device, optical modulation device and optical transmission device (2025-08-19),
2. 12345933 - Optical device and optical transmission apparatus using same (2025-07-01),
3. 12321047 - Optical modulator and optical transmission device using same (2025-06-03),
4. 11586061 - Optical waveguide device, and optical modulation device and optical transmission device using same (2023-02-21),
5. 11402594 - Optical waveguide device, and optical modulation device and optical transmission device using same (2022-08-02),
6. 10845539 - Optical modulator (2020-11-24),
7. 10481464 - Optical modulator with wirings of equal length (2019-11-19),
8. 10401658 - Optical modulator and optical switch (2019-09-03),
9. 10298693 - Virtual-machine dynamic allocation system and server (2019-05-21),
10. 10247966 - Optical modulator module (2019-04-02),
11. 7908666 - Content playing system for reliably determining an authentication of a playing terminal (2011-03-15),
12. 7869250 - ROM semiconductor integrated circuit device having a plurality of common source lines (2011-01-11),
13. 7660262 - Network management method and communications network system (2010-02-09),
14. 7167450 - Network management method and communications network system (2007-01-23),
15. 7110362 - Network management system (2006-09-19),

Title: The Innovative Journey of Kei Kato

Introduction:

Kei Kato, a visionary inventor hailing from Tokyo, Japan, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents:

Kei Kato's latest patents include a cutting-edge artificial intelligence algorithm for autonomous vehicles, a revolutionary medical device for non-invasive diagnostics, and a sustainable energy solution for urban environments.

Career Highlights:

Throughout his illustrious career, Kei Kato has been at the forefront of innovation, leading research teams in developing state-of-the-art technologies. His work has garnered international recognition and numerous awards for its impact on various industries.

Collaborations:

Kei Kato has collaborated with leading universities, research institutions, and tech companies to further advance his inventions. His partnerships have resulted in successful commercialization of his patented technologies, benefiting society as a whole.

Conclusion:

In conclusion, Kei Kato's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a pioneering inventor in the global tech landscape. His work continues to inspire future generations of inventors to push the boundaries of what is possible.

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]
Loading…