Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456008 | Metal Halide lamp having improved shunting characteristics | Shinichi Irisawa, Yoshitaka Ohshima | 2002-09-24 |
| 6411037 | Arc tube for discharge lamp device and method of manufacturing the same | Nobuo Ohkawai, Yoshitaka Ohshima, Shinichi Irisawa | 2002-06-25 |
| 6354900 | Arc tube and fabricating method thereof | Yoshitaka Ohshima, Nobuo Ohkawai, Shinichi Irisawa | 2002-03-12 |