Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326869 | Method of producing optical waveguide | Shiro Kurosaki, Minoru Watanabe | 1982-04-27 |
YU
Yuichi Usui
Overall (1982): #21,312 of 81,411Top 30%
1
Patents 1982