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For the Inventor, By the Inventor

Tokyo, Japan

Nippon Polytech Corp.


USPTO Granted Patents = 3


Forward Citations = 8

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8 inventors (with patents filed for the assignee):

goldMedal Naoki Murata (2 out of 9 patents)

silverMedal Kai Suzuki (2 out of 11 patents)

bronzeMedal Kazuhiko Ooga (2 out of 16 patents)

4.  Minoru Yokoshima (1 out of 30 patents)

5.  Tetsuo Ohkubo (1 out of 13 patents)

6.  Kazunori Sasahara (1 out of 2 patents)

7.  Yoko Baba (1 out of 1 patent)

8.  Yoneji Sato (1 out of 2 patents)


3 patents:

1. 11044807 - Polyurethane, curable composition, overcoat film, and flexible wiring board and production method therefor (2021-06-22),
2. 10889729 - Curable composition, cured object, overcoat film, coated flexible wiring board, and process for producing same (2021-01-12),
3. 5702820 - Photo-imaging resist ink and cured product thereof (1997-12-30),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#3,543 in Tokyo

#8,922 in Japan

Tokyo, JP
Tokyo, Japan

Nippon Polytech Corp.

Forward Citations = 8

8 inventors:

goldMedal Naoki Murata (2 out of 9 patents)

silverMedal Kai Suzuki (2 out of 11 patents)

bronzeMedal Kazuhiko Ooga (2 out of 16 patents)

4.  Minoru Yokoshima (1 out of 30 patents)

5.  Tetsuo Ohkubo (1 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Polytech Corp.. Retrieved from https://idiyas.com/company/nippon-polytech

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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