Forward Citations = 38

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7 inventors (with patents filed for the assignee):

Kazuhisa Ninomiya (1 out of 11 patents)

Mutsuo Okumura (1 out of 6 patents)

Yasuhiro Fukushima (1 out of 4 patents)

4. Yuko Hosokawa (1 out of 3 patents)

5. Shoichi Tokuda (1 out of 11 patents)

6. Mitsuru Ochiai (1 out of 2 patents)

7. Shigeyuki Watanabe (1 out of 1 patent)

1 patent: Sort by Forward Citations

#1,656 in Osaka

#15,732 in Japan

Itto Denko Corporation

Forward Citations = 38

7 inventors:

Kazuhisa Ninomiya (1 out of 11 patents)

Mutsuo Okumura (1 out of 6 patents)

Yasuhiro Fukushima (1 out of 4 patents)

4. Yuko Hosokawa (1 out of 3 patents)

5. Shoichi Tokuda (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Itto Denko Corporation. Retrieved from https://idiyas.com/company/itto-denko

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]