Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002197 | Metal halide lamp light source device having conducting wire positioned to prevent it from casting a shadow | Yasuo Tanaka, Kiyoyuki Kabuki, Tomoyoshi Arimoto | 1999-12-14 |
| 5723944 | Metal halide lamp of the short arc type | Tomoyoshi Arimoto | 1998-03-03 |
| 5592050 | Metal halide lamp | Tomoyoshi Arimoto | 1997-01-07 |
| 5479065 | Metal halide discharge lamp suitable for an optical light source having a bromine to halogen ratio of 60-90%, a wall load substantially greater than 40 W/cm.sup.2, and a D.C. potential between the anode and cathode | Takahiro Sugimoto, Akihiro Ueda | 1995-12-26 |
| 4988918 | Short arc discharge lamp | Yasuki Mori, Yasuhiro Iwafuji, Yoichiro Mitsuyuki | 1991-01-29 |