Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354901 | Discharge lamp, discharge lamp sealing method, discharge lamp sealing device | Koji Kita, Nobuyuki Yamada, Hiroaki Nagai, Hirotaka Ishibashi, Susumu Narita +1 more | 2002-03-12 |
| 5780377 | Light-transmissive ceramics and method of manufacturing same | Naohito Wajima, Koichi Hayashi | 1998-07-14 |