Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642655 | High-pressure metal halide discharge lamp and a lighting apparatus using the lamp | Naoya Matsumoto, Shinji Inukai, Hisanori Sano, Satoshi Iwasawa | 2003-11-04 |
| 6628082 | Glow starter for a high pressure discharge lamp | Naoya Matsumoto, Satoshi Iwasawa, Takahito Kashiwagi, Akira Ito, Daisuke Takayama +2 more | 2003-09-30 |
| 6548460 | Coating composition and lubricated metal sheets | Kazuhiko Higai, Sachiko Suzuki, Shigeru Umino, Kazuo Mochizuki, Fuminori Mukaihara +3 more | 2003-04-15 |
| 6514357 | Composition for metal surface treatment and surface treated metallic material | Chiyoko Tada, Shigeru Umino | 2003-02-04 |