Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653801 | Mercury-free metal-halide lamp | Mamoru Takeda, Makoto Horiuchi, Kiyoshi Takahashi, Makoto Kai, Takeshi Saito | 2003-11-25 |
| 6639343 | Mercury-free metal halide lamp | Kiyoshi Takahashi, Yuriko Kaneko, Masato Yoshida | 2003-10-28 |
| 6608444 | Mercury-free high-intensity discharge lamp operating apparatus and mercury-free metal halide lamp | Ryo Minamihata, Kiyoshi Takahashi, Yuriko Kaneko, Mamoru Takeda, Takayuki Murase +1 more | 2003-08-19 |
| 6586891 | High-intensity discharge lamp and high-intensity discharge lamp operating apparatus | Yuriko Kaneko, Kiyoshi Takahashi, Ryo Minamihata, Mamoru Takeda, Takayuki Murase | 2003-07-01 |
| 6583564 | Discharge lamp with light-intercepting film bands | Takayuki Murase | 2003-06-24 |
| 6573656 | High-pressure discharge lamp and method for producing the same | Yuriko Kaneko, Kiyoshi Takahashi, Masato Yoshida | 2003-06-03 |