EPO Patents = 2

Forward Citations = 5

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7 inventors (with patents filed for the assignee):

Yoshiaki Tachibana (2 out of 5 patents)

Kousuke Tachibana (1 out of 1 patent)

Kaoru Harada (1 out of 1 patent)

4. Souzou Sasajima (1 out of 1 patent)

5. Kyoko Honma (1 out of 1 patent)

6. Yuuki Matsumoto (1 out of 1 patent)

7. Kunihiro Tamahashi (1 out of 17 patents)

8. Dai Yamanouchi (7 patents)

9. Kosuke Tachibana (34 patents)

10. Yuuki Matumoto (0 patent)

2 patents: Sort by Forward Citations

#78 in Ibaraki

#11,133 in Japan

Sigma-Technology Inc.

Forward Citations = 5

7 inventors:

Yoshiaki Tachibana (2 out of 5 patents)

Kousuke Tachibana (1 out of 1 patent)

Kaoru Harada (1 out of 1 patent)

4. Souzou Sasajima (1 out of 1 patent)

5. Kyoko Honma (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sigma-Technology Inc.. Retrieved from https://idiyas.com/company/sigma-technology

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]

2 patents (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]