Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815893 | Metal halide lamp having a long lifespan | Kazuo Takeda, Takashi Maniwa, Yoshiharu Nishiura | 2004-11-09 |
| 6774559 | Metal vapor discharge lamp | Yoshiharu Nishiura | 2004-08-10 |
| 6756721 | Metal halide lamp | Masanori Higashi, Yoshiharu Nishiura, Shigefumi Oda, Hiroshi Enami | 2004-06-29 |
| 6744206 | Metal halide lamp with reduced change in color temperature | Mikio Miura, Yoshiharu Nishiura | 2004-06-01 |
| 6707252 | Metal halide lamp | Shigefumi Oda, Yoshiharu Nishiura, Masanori Higashi, Hiroshi Enami | 2004-03-16 |