Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985275 | Method for producing a fused silica envelope for discharge lamp | Tetsu Takemura, Keisuke OHKUBO, Akihiko Sugitani, Toshiyuki Okamoto | 1991-01-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985275 | Method for producing a fused silica envelope for discharge lamp | Tetsu Takemura, Keisuke OHKUBO, Akihiko Sugitani, Toshiyuki Okamoto | 1991-01-15 |