Issued Patents All Time
Showing 51–75 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522869 | Transmission apparatus | Katsuhiko Hiramatsu, Masatoshi Watanabe, Toyoki Ue | 2003-02-18 |
| 6510133 | Multi-carrier transmission method and data transmitter | — | 2003-01-21 |
| 6456677 | Synchronization equipment | Katsuhiko Hiramatsu, Hiroaki Sudo | 2002-09-24 |
| 6442405 | Base station device and radio communication method | Katsuhiko Hiramatsu, Kazuyuki Miya, Osamu Kato, Akinori Tatsumi, Masatoshi Watanabe +2 more | 2002-08-27 |
| 6434192 | Adaptive equalizing device | Junichi Aizawa | 2002-08-13 |
| 6424618 | Code generating method and code selecting method | Taku Nagase, Osamu Kato | 2002-07-23 |
| 6404827 | Method and apparatus for linear predicting | — | 2002-06-11 |
| 6393067 | Differential detection receiver | — | 2002-05-21 |
| 6347391 | Radio communication apparatus | Osamu Kato | 2002-02-12 |
| 6341214 | Transmission power control method and transmission/reception apparatus | — | 2002-01-22 |
| 6330233 | CDMA radio transmitting apparatus and CDMA radio receiving apparatus | Kazuyuki Miya | 2001-12-11 |
| 6314304 | Mobile communication system with improved antenna arrangement | — | 2001-11-06 |
| 6289064 | Synchronization equipment | Katsuhiko Hiramatsu, Sadaki Futagi, Hiroshi Suzuki, Hitoshi Yoshino | 2001-09-11 |
| 6259721 | Radio communication equipment using algorithm diversity | Osamu Kato | 2001-07-10 |
| 6208701 | Synchronizing apparatus | Katsuhiko Hiramatsu, Hiroaki Sudo | 2001-03-27 |
| 6111921 | Estimator of error rate | Hiroaki Sudo, Katsuhiko Hiramatsu | 2000-08-29 |
| 6100832 | A/D conversion apparatus having high level reception enhancement | — | 2000-08-08 |
| 6097259 | Modulator and modulation method for orthogonally modulating digital baseband signals | Yoshiko Saito | 2000-08-01 |
| 6069924 | Differential detector with error correcting function | Hiroaki Sudo, Katsuhiko Hiramatsu | 2000-05-30 |
| 6038264 | Data receiving apparatus | — | 2000-03-14 |
| 6032029 | Receiver selecting either a first demodulated signal or a second demodulated signal in accordance with characteristics of a received signal | Sadaki Futagi, Hiroshi Suzuki, Hitoshi Yoshino | 2000-02-29 |
| 6018552 | Differential detection receiver | — | 2000-01-25 |
| 6002727 | Interference signal cancellation system | — | 1999-12-14 |
| 5968201 | Method and apparatus for error correction | Kazuo Shida | 1999-10-19 |
| 5966664 | Communication control method for requesting priority data | Katsuhiko Hiramatsu | 1999-10-12 |