Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8198816 | Extra high pressure lamp having a novel electrode structure | Atsushi Imamura, Takashi Yamashita, Nobuhiro Nagamachi | 2012-06-12 |
| 6575599 | Light source device for projection apparatus | Kenji Imamura, Hiroyuki Fujii | 2003-06-10 |
| 4985275 | Method for producing a fused silica envelope for discharge lamp | Hidetoshi Ichinose, Keisuke OHKUBO, Akihiko Sugitani, Toshiyuki Okamoto | 1991-01-15 |