Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456008 | Metal Halide lamp having improved shunting characteristics | Takeshi Fukuyo, Yoshitaka Ohshima | 2002-09-24 |
| 6452334 | Arc tube with residual-compressive-stress layer for discharge lamp unit and method of manufacturing same | Yoshitaka Ohshima, Nobuo Ohkawai | 2002-09-17 |
| 6411037 | Arc tube for discharge lamp device and method of manufacturing the same | Nobuo Ohkawai, Yoshitaka Ohshima, Takeshi Fukuyo | 2002-06-25 |
| 6354900 | Arc tube and fabricating method thereof | Yoshitaka Ohshima, Takeshi Fukuyo, Nobuo Ohkawai | 2002-03-12 |