Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840593 | Low pressure mercury vapor discharge lamp and preparation thereof | Takao Takeda, Yoshiteru Taniguchi, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1989-06-20 |
HY
Hitoshi Yamazaki
Overall (1989): #103,613 of 140,708Top 75%
1
Patents 1989