Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755721 | High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics | Toshiyuki Okada, Hiroyoshi Yokome, Tomoyuki HABU, Yasuharu Yamamoto | 1988-07-05 |