Forward Citations = 31

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6 inventors (with patents filed for the assignee):

Nobuhiro Ito (1 out of 9 patents)

Yasushi Sasaki (1 out of 67 patents)

Yutaka Nakanishi (1 out of 23 patents)

4. Masahisa Fujigaki (1 out of 1 patent)

5. Yasuko Kimura (1 out of 2 patents)

6. Keiko Hartgae (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6144164 - Dynamic EL lighting with a single power source (2000-11-07),

2. 5439545 - Process for producing finger-touch key for manipulation switch (1995-08-08),

3. 5407721 - Illuminated switches and rubber material for the cover piece therefor (1995-04-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3,547 in Tokyo

#8,929 in Japan

Tokyo, Japan

Fuji Polymertech Co., Ltd.

Forward Citations = 31

6 inventors:

Nobuhiro Ito (1 out of 9 patents)

Yasushi Sasaki (1 out of 67 patents)

Yutaka Nakanishi (1 out of 23 patents)

4. Masahisa Fujigaki (1 out of 1 patent)

5. Yasuko Kimura (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fuji Polymertech Co., Ltd.. Retrieved from https://idiyas.com/company/fuji-polymertech-company

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]