Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663607 | Discharge lamp lead support | Takanori Serizawa | 1997-09-02 |
| 5627430 | Discharge lamp having a cathode with a sintered tip insert | Takanori Serizawa, Koichi Ario | 1997-05-06 |