Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819837 | Method of temporarily adjusting the index of refraction of ring resonator with precision laser micromachining | Ming-Jun Li, Daniel Hogan, Xinbing Liu | 2004-11-16 |
| 6719110 | Wet type friction clutch and electromagnetic clutch | Yasuhiko Ishikawa, Yoshiyuki Nakabayashi, Kouji Iizuka, Yasushi Koshigaya, Yoshiaki Kitsunezuka +2 more | 2004-04-13 |