EPO Patents = 1

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

Mitsuko Isaji (1 out of 5 patents)

Masao Tanihara (1 out of 27 patents)

Yoshihisa Suzuki (1 out of 6 patents)

4. Isaji Mitsuko (0 patent)

5. Tanihara Masao (0 patent)

6. Suzuki Yoshihisa (0 patent)

1 patent: Sort by Forward Citations

#1,658 in Osaka

#15,759 in Japan

Tazuke Kofukai

Forward Citations = 0

3 inventors:

Mitsuko Isaji (1 out of 5 patents)

Masao Tanihara (1 out of 27 patents)

Yoshihisa Suzuki (1 out of 6 patents)

4. Isaji Mitsuko (0 patent)

5. Tanihara Masao (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tazuke Kofukai. Retrieved from https://idiyas.com/company/tazuke-kofukai

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]

1 patent (EPO):

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]