Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Masayoshi Fuji (2 out of 6 patents)

Chika Takai (2 out of 4 patents)

Kyoichi Fujimoto (2 out of 2 patents)

4. Juichi Fukatani (1 out of 40 patents)

5. Daizou Ii (1 out of 12 patents)

6. Kozo Hayashi (1 out of 1 patent)

7. Tadahiko Yoshioka (1 out of 6 patents)

2 patents: Sort by Forward Citations

#55 in Gifu, 501-32

#11,139 in Japan

Grandex Co., Ltd.

Forward Citations = 0

7 inventors:

Masayoshi Fuji (2 out of 6 patents)

Chika Takai (2 out of 4 patents)

Kyoichi Fujimoto (2 out of 2 patents)

4. Juichi Fukatani (1 out of 40 patents)

5. Daizou Ii (1 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Grandex Co., Ltd.. Retrieved from https://idiyas.com/company/grandex-company

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]