Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7035348 | Receiver apparatus | Noriyoshi Suzuki, Tomohisa Harada, Tsutayuki Shibata, Hisanori Uda, Hiroaki Hayashi | 2006-04-25 |
| 6654425 | Method and circuit for digital modulation and method and circuit for digital demodulation | Akiomi Kunisa, Seiichiro Takahashi | 2003-11-25 |
| 6324138 | Digital disk recording and reproduction apparatus | Yoshihiro Hori, Hisashi Matsuyama, Akiomi Kunisa, Seiichiro Takahashi, Toshiaki Hioki +6 more | 2001-11-27 |
| 6198710 | Digital recording method, digital disk, digital disk recording device, and digital disk reproducing device | Yoshihiro Hori, Hisashi Matsuyama, Akiomi Kunisa, Seiichiro Takahashi, Toshiaki Hioki +6 more | 2001-03-06 |
| 6141787 | Digital modulation and demodulation | Akiomi Kunisa | 2000-10-31 |
| 6079041 | Digital modulation circuit and digital demodulation circuit | Akiomi Kunisa, Seiichiro Takahashi | 2000-06-20 |
| 5739779 | Encoding circuit and decoding circuit | Akiomi Kunisa, Seiichiro Takahashi | 1998-04-14 |
| 5071558 | Sodium bicarbonate dialysate | — | 1991-12-10 |
| 4898837 | Method of fabricating a semiconductor integrated circuit | Kazuo Takeda, Nobuyuki Sekikawa, Katsuhiro Hayasaka, Chikao Fujunuma, Tetsuya Kubota | 1990-02-06 |
| 4225706 | Polychalcogen ester of cephem compound, process for preparing the same and method for removing the protective group of the same | Shigeo Seki, Ken Nishihata, Satoru Nakabayashi, Toshinori Saito, Hitoshi Ikeda +2 more | 1980-09-30 |