Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646379 | Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time | Hiroshi Nohara, Yoshiharu Nishiura, Shunsuke Kakisaka, Kazuo Takeda, Kenji Akiyoshi +2 more | 2003-11-11 |
| 6639361 | Metal halide lamp | Kazuo Takeda, Yoshiharu Nishiura, Takashi Yamamoto | 2003-10-28 |