Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134694 | Error control method and error control device for digital communication | Hui Zhao | 2000-10-17 |
| 6097711 | DS-CDMA transmission method | Koichi Okawa, Koji Ohno, Mamoru Sawahashi, Yukihiko Okumura | 2000-08-01 |
| 6084966 | Communicating encrypted signals in which random bits and random bit position data are inserted | Akihiro Maebara, Katsumi Kobayashi, Ichiro Okajima, Noriko Uchida | 2000-07-04 |
| 6078572 | Access method, mobile station and base station for CDMA mobile communication system | Motohiro Tanno | 2000-06-20 |
| 5689503 | Random access system of a mobile communication system | Azusa WADA, Akihiro Maebara, Ichiro Okajima, Katsumi Kobayashi, Noriko Uchida +1 more | 1997-11-18 |
| 5629948 | Data transmission scheme with automatic repeat request | Junichirou Hagiwara, Kouichi Sawai | 1997-05-13 |
| 5586113 | CDMA communications method and system | Fumiyuki Adachi, Mamoru Sawahashi, Tomohiro Dohi | 1996-12-17 |
| 5553190 | Speech signal transmission method providing for control | Tomoyuki Ohya, Toshio Miki | 1996-09-03 |
| 5513211 | Radio communication system with controlled voice code switching | Masami Yabusaki, Kouji Yamamoto | 1996-04-30 |