% Expired Patents = 50.0

Forward Citations = 1

Loading Chart...

8 inventors (with patents filed for the assignee):

Yukimitsu Ichikawa (1 out of 1 patent)

Kanya Goto (1 out of 1 patent)

Narumi Dosaka (1 out of 1 patent)

4. Yumiko Fukushima (1 out of 1 patent)

5. Yasuhito Fujimaki (1 out of 1 patent)

6. Osamu Tanaka (1 out of 68 patents)

7. Young-Seok Roh (1 out of 1 patent)

8. Satoshi Yamada (1 out of 1 patent)

2 patents: Sort by Forward Citations

#4,372 in Tokyo

#11,139 in Japan

Fine Tech Co., Ltd.

Forward Citations = 1

8 inventors:

Yukimitsu Ichikawa (1 out of 1 patent)

Kanya Goto (1 out of 1 patent)

Narumi Dosaka (1 out of 1 patent)

4. Yumiko Fukushima (1 out of 1 patent)

5. Yasuhito Fujimaki (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fine Tech Co., Ltd.. Retrieved from https://idiyas.com/company/fine-tech-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]