Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835990 | Semiconductor light receiving element | Akira Yamaguchi, Manabu Shiozaki, Takashi Iwasaki, Kenji Ohki | 2004-12-28 |
| 6830995 | Method of diffusing zinc into article and method of heating article | Takashi Ishizuka | 2004-12-14 |
| 6696740 | Photodiode | Yoshiki Kuhara | 2004-02-24 |
| 6683326 | Semiconductor photodiode and an optical receiver | Yoshiki Kuhara | 2004-01-27 |