Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800320 | Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same | Senji Atsumi, Hirotsugu Izumiya | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800320 | Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same | Senji Atsumi, Hirotsugu Izumiya | 1989-01-24 |