Forward Citations = 4

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5 inventors (with patents filed for the assignee):

Norihiro Tsukagoshi (2 out of 4 patents)

Hideo Yamagata (2 out of 5 patents)

Shigezo Udaka (2 out of 9 patents)

4. Noriyuki Kitamoto (1 out of 1 patent)

5. Takeo Kato (1 out of 4 patents)

2 patents: Sort by Forward Citations

#174 in Nagoya

#11,139 in Japan

Shigezo Udaka

Forward Citations = 4

5 inventors:

Norihiro Tsukagoshi (2 out of 4 patents)

Hideo Yamagata (2 out of 5 patents)

Shigezo Udaka (2 out of 9 patents)

4. Noriyuki Kitamoto (1 out of 1 patent)

5. Takeo Kato (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shigezo Udaka. Retrieved from https://idiyas.com/company/shigezo-udaka

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]