% Expired Patents = 100.0

Forward Citations = 16

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10 inventors (with patents filed for the assignee):

Toshiyuki Iida (1 out of 28 patents)

Nao Murakami (1 out of 67 patents)

Kazuo Kitada (1 out of 54 patents)

4. Satoru Koshio (1 out of 51 patents)

5. Tomokazu Yura (1 out of 54 patents)

6. Takashi Shimizu (1 out of 68 patents)

7. Takuya Nakazono (1 out of 73 patents)

8. Kouji Kimura (1 out of 11 patents)

9. Fumihito Shimanoe (1 out of 13 patents)

10. Takayoshi Yamano (1 out of 6 patents)

2 patents: Sort by Forward Citations

1. 9389352 - Retardation film and production method therefor, polarizing plate, and display device (2016-07-12),

2. 8248558 - Roll of optical film laminate, and method and system for manufacturing the same (2012-08-21),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#1,147 in Osaka

#11,133 in Japan

Osaka, Japan

Nitto Denko Corportation

Forward Citations = 16

10 inventors:

Toshiyuki Iida (1 out of 28 patents)

Nao Murakami (1 out of 67 patents)

Kazuo Kitada (1 out of 54 patents)

4. Satoru Koshio (1 out of 51 patents)

5. Tomokazu Yura (1 out of 54 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nitto Denko Corportation. Retrieved from https://idiyas.com/company/nitto-denko-corportation

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]