% Expired Patents = 33.3

Forward Citations = 10

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12 inventors (with patents filed for the assignee):

Taizo Yamawaki (1 out of 78 patents)

Nobukazu Doi (1 out of 91 patents)

May Suzuki (1 out of 16 patents)

4. Takashi Yano (1 out of 103 patents)

5. Tomonori Tanoue (1 out of 47 patents)

6. Masayuki Ariyoshi (1 out of 7 patents)

7. Minoru Ikeda (1 out of 61 patents)

8. Atsushi Ishibashi (1 out of 51 patents)

9. Takaki Uta (1 out of 17 patents)

10. Akihiro Gotou (1 out of 4 patents)

11. Satoshi Tanaka (1 out of 93 patents)

12. Shinichi Morita (1 out of 9 patents)

3 patents: Sort by Forward Citations

#3,543 in Tokyo

#8,922 in Japan

Htachi, Ltd.

Forward Citations = 10

12 inventors:

Taizo Yamawaki (1 out of 78 patents)

Nobukazu Doi (1 out of 91 patents)

May Suzuki (1 out of 16 patents)

4. Takashi Yano (1 out of 103 patents)

5. Tomonori Tanoue (1 out of 47 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Htachi, Ltd.. Retrieved from https://idiyas.com/company/htachi

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]