Umihira Co., Ltd.

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EPO Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Kazuo Umihira (1 out of 2 patents)

Kazumi Kamoi (1 out of 1 patent)

Osamu Ukimura (1 out of 3 patents)

4. Keizou Ogino (1 out of 1 patent)

5. Kazumi Kamoi (0 patent)

1 patent: Sort by Forward Citations

#374 in Kyoto 615-0031

#15,774 in Japan

Forward Citations = 0

4 inventors:

Kazuo Umihira (1 out of 2 patents)

Kazumi Kamoi (1 out of 1 patent)

Osamu Ukimura (1 out of 3 patents)

4. Keizou Ogino (1 out of 1 patent)

5. Kazumi Kamoi (0 patent)

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

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]