Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798552 | Semiconductor light modulator | — | 2004-09-28 |
| 6778751 | Optical modulator and photonic semiconductor device | Kazuhisa Takagi | 2004-08-17 |
| 6765457 | Dielectric filter, dielectric duplexer, and communication device having elongated through holes | Yukihiro Kitaichi | 2004-07-20 |
| 6694601 | Method of adjusting characteristics of dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2004-02-24 |