Kokubunji, Japan

Tamotsu Usami

This inventor holds 6 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Fuji Xerox Co., Ltd., Fujitsu Microelectronics Limited. Active years: 2003-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Usami. Retrieved from https://idiyas.com/inventor/tamotsu-usami-fqaooa75

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


% Patents Active = 83.3

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 460(Granted Patents)


Location History:

  • Tokyo, JP (2006 - 2007)
  • Kokubunji-shi, Tokyo JP (2003 - 2011)

Company Filing History:

goldMedal3 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal2 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
bronzeMedal2 out of 467 
 
Fujitsu Microelectronics Limited
 patents
4. 2 out of 6,934 
 
Kyocera Corporation
 patents
5. 2 out of 3,781 
 
Renesas Technology Corp.
 patents
6. 1 out of 1,874 
 
Fujikura Limited
 patents
7. 1 out of 39,378 
 
Fujitsu Corporation
 patents
8. 1 out of 1,483 
 
Ibiden Company Limited
 patents
9. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
10. 1 out of 1,766 
 
National Institute of Advanced Industrial Science and Technology
 patents
11. 1 out of 36,718 
 
Nec Corporation
 patents
12. 1 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
13. 1 out of 707 
 
Oki Semiconductor Co., Ltd.
 patents
14. 1 out of 7,657 
 
Renesas Electronics Corporation
 patents
15. 1 out of 6,021 
 
Rohm Co., Ltd.
 patents
16. 1 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
17. 1 out of 25,974 
 
Sharp Kabushiki Kaisha Corporation
 patents
18. 1 out of 58,147 
 
Sony Corporation
 patents
19. 4 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 2003-2011

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6 patents (USPTO):Explore Patents

Title: The Innovations of Tamotsu Usami

Introduction

Tamotsu Usami, an inventive mind based in Kokubunji-shi, Tokyo, holds an impressive portfolio of six patents. His groundbreaking work in the field of antenna technology and electrostatic discharge protection circuits showcases his profound contributions to the world of electronics.

Latest Patents

Among his latest innovations is the "Antenna apparatus utilizing aperture of transmission line." This advanced antenna design integrates a tapered line portion with a connected aperture that maintains a predetermined characteristic impedance while enabling effective signal transmission. The antenna's unique design allows for optimal performance at frequencies as low as a quarter wavelength.

Another significant patent is the "Electrostatic discharge protection circuit and terminating resistor circuit." This invention focuses on enhancing the speed of differential signals by minimizing circuit capacitance. It utilizes smart design to ensure that internal circuits remain protected from surge voltages, enabling reliable and efficient communication.

Career Highlights

Throughout his career, Tamotsu Usami has made meaningful contributions while working at renowned companies, including Kabushiki Kaisha Toshiba. His innovative spirit and technical expertise have established him as a notable figure in the field of electronics.

Collaborations

During his professional journey, Usami has collaborated with esteemed individuals such as Kanji Otsuka and Yutaka Akiyama. These partnerships have fostered knowledge exchange and led to the successful development of advanced technological solutions.

Conclusion

Tamotsu Usami's contributions to technology resonate through his patents, reflecting his commitment to innovation and problem-solving in the field of electronics. His work continues to inspire fellow inventors and engineers, paving the way for future advancements in 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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