Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832972 | Differential and differential system | — | 2004-12-21 |
| 6812495 | Ge photodetectors | Kazumi Wada, Lionel C. Kimerling, Douglas Cannon, Jifeng Liu | 2004-11-02 |
| 6719110 | Wet type friction clutch and electromagnetic clutch | Makoto Ishizuka, Yoshiyuki Nakabayashi, Kouji Iizuka, Yasushi Koshigaya, Yoshiaki Kitsunezuka +2 more | 2004-04-13 |