Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483230 | High pressure metallic vapor discharge lamp | Hiroshi Nohara, Yoshiharu Nishiura, Shiki Nakayama, Takashi Yamamoto, Masanori Higashi | 2002-11-19 |
| 6469442 | Metal vapor discharge lamp | Shunsuke Kakisaka, Shiki Nakayama, Takashi Yamamoto, Hiroshi Nohara | 2002-10-22 |