Ulvac Service Corporation

Calculating rank

Forward Citations = 6

Loading Chart...

11 inventors (with patents filed for the assignee):

Toru Yunoki (2 out of 3 patents)

Masashi Kobayashi (1 out of 20 patents)

Kazuyasu Kawashima (1 out of 6 patents)

4. Shinya Okuyama (1 out of 2 patents)

5. Kazuo Hiraizumi (1 out of 5 patents)

6. Kozo Shirato (1 out of 9 patents)

7. Satoshi Shinohara (1 out of 1 patent)

8. Yasuo Koyama (1 out of 1 patent)

9. Yoshio Yamamoto (1 out of 1 patent)

10. Akira Takeya (1 out of 1 patent)

11. Minoru Tanaka (1 out of 1 patent)

2 patents: Sort by Forward Citations

#400 in Kanagawa

#11,139 in Japan

Forward Citations = 6

11 inventors:

Toru Yunoki (2 out of 3 patents)

Masashi Kobayashi (1 out of 20 patents)

Kazuyasu Kawashima (1 out of 6 patents)

4. Shinya Okuyama (1 out of 2 patents)

5. Kazuo Hiraizumi (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ulvac Service Corporation. Retrieved from https://idiyas.com/company/ulvac-service

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]