Tokyo, Japan

Littelfuse Japan G.k.

Calculating rank
USPTO Granted Patents = 13

% Expired Patents = 23.1


Forward Citations = 11

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23 inventors (with patents filed for the assignee):

goldMedal Arata Tanaka (6 out of 15 patents)

silverMedal Masaaki Iwai (3 out of 13 patents)

bronzeMedal Katsuaki Suzuki (3 out of 11 patents)

4.  Takayuki Yokota (2 out of 6 patents)

5.  Tsuyoshi Takizawa (2 out of 6 patents)

6.  Hirofumi Mochizuki (2 out of 2 patents)

7.  Keiichiro Nomura (2 out of 3 patents)

8.  Koji Izumi (2 out of 13 patents)

9.  Toshikazu Yamaoka (2 out of 2 patents)

10.  Hiroyuki Koyama (2 out of 8 patents)

11.  Tatsuya Nagai (1 out of 10 patents)

12.  Hajime Takahashi (1 out of 10 patents)

13.  Satoshi Wada (1 out of 75 patents)

14.  Hirotsugu Takegawa (1 out of 1 patent)

15.  Naotaka Ikawa (1 out of 4 patents)


13 patents:

Company Overview
Littelfuse Japan G.K. is a prominent subsidiary of Littelfuse, Inc., specializing in the development and manufacturing of advanced electronic components. The company focuses on circuit protection, power control, and sensing technologies, catering to a diverse range of industries including automotive, industrial, and consumer electronics. With a strong emphasis on innovation, Littelfuse Japan G.K. leverages cutting-edge research to enhance safety and reliability in electrical systems, contributing significantly to the evolving landscape of electronic solutions in Japan and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

13 Patents

#1,664 in Tokyo

#3,752 in Japan

#45,085 in the World

Tokyo, JP
Tokyo, Japan
Forward Citations = 11

23 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Littelfuse Japan G.k.. Retrieved from https://idiyas.com/company/littelfuse-japan-g-k

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

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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