Alphatech Co., Ltd.

Calculating rank

EPO Patents = 1

Forward Citations = 16

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4 inventors (with patents filed for the assignee):

Teruo Kosaka (1 out of 1 patent)

Yuki Kosaka (1 out of 1 patent)

Katsutoshi Okuno (1 out of 1 patent)

4. Yoshiyuki Doi (1 out of 4 patents)

5. Katsutoshi Okuno (0 patent)

6. Yuki Kosaka (0 patent)

1 patent: Sort by Forward Citations

#6,102 in Tokyo

#15,755 in Japan

Forward Citations = 16

4 inventors:

Teruo Kosaka (1 out of 1 patent)

Yuki Kosaka (1 out of 1 patent)

Katsutoshi Okuno (1 out of 1 patent)

4. Yoshiyuki Doi (1 out of 4 patents)

5. Katsutoshi Okuno (0 patent)

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