Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39954 | Automobile on-board and/or portable telephone system | Osama Kato | 2007-12-25 |
| 6697384 | Method and apparatus for calculating a state of starting a PN code generating operation | — | 2004-02-24 |
| 6580703 | CDMA base station apparatus and code assignment method | Yoshiyuki OKUBO, Izumi Horikawa | 2003-06-17 |
| 6336040 | Mobile radio system with control over radio wave output if a malfunction is detected | Izumi Horikawa | 2002-01-01 |
| RE37420 | Automobile on-board and/or portable telephone system | Osama Kato | 2001-10-23 |
| 6295301 | PN code generating apparatus and mobile radio communication system | — | 2001-09-25 |
| 5987339 | Receiving portion of radio communication device | — | 1999-11-16 |
| 5953382 | CDMA system mobile communication receiver | Yoshiharu Osaki | 1999-09-14 |
| 5905965 | Radio communication apparatus which includes a base station and terminals that save power as they monitor for incoming calls from the base station | Osamu Kato | 1999-05-18 |
| 5873027 | Mobile radio system with control over radio wave output if a malfunction is detected | Izumi Horikawa | 1999-02-16 |
| 5715470 | Arithmetic apparatus for carrying out viterbi decoding at a high speed | Mitsuru Uesugi, Toshihiro Ishikawa, Minoru Okamoto | 1998-02-03 |
| 5677929 | Automobile on-board and/or portable telephone system | Osamu Kato | 1997-10-14 |
| 5646937 | Code division multiple access communication system | Takayuki Nakano, Osamu Kato | 1997-07-08 |
| 5627845 | Variable rate communication method and a variable rate communication system | Osamu Kato | 1997-05-06 |
| 5583851 | Mobile communication apparatus having multi-codes allocating function | Osamu Kato | 1996-12-10 |