Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7016706 | Mobile radio terminal | Osamu Kurokawa, Masaaki Furusawa, Junichi Igarashi, Yasuhiro Tsukui | 2006-03-21 |
| 6895239 | Mobile radio terminal | Hajime Oomori, Junichi Igarashi, Yasuhiro Tsukui | 2005-05-17 |
| 6807433 | Mobile communication terminal with unanswered incoming-call notifying function | Hisashi Oota, Minoru Yamashita | 2004-10-19 |
| 5640682 | Radio telecommunication device with display for changed information in received signals | Tatsuaki Sekigawa, Mitsuji Shiono | 1997-06-17 |
| 5448228 | Paging apparatus equipped with a clock function | Tatsuaki Sekigawa, Mitsuji Shiono, Haruhiko Sato | 1995-09-05 |
| 5285493 | Radio tele-communication device with received message displaying feature | Tatsuaki Sekigawa, Shinya Sato, Mitsuji Shiono, Haruhiko Sato | 1994-02-08 |
| 5274843 | Paging apparatus having a battery saving function | Makoto Murai, Tatsuaki Sekigawa | 1993-12-28 |
| 5264841 | Paging apparatus equipped with a clock function | Tatsuaki Sekigawa, Mitsuji Shiono, Haruhiko Sato | 1993-11-23 |
| 5203014 | Radio telecommunication device with a display for changed information in received signals | Tatsuaki Sekigawa, Mitsuji Shiono | 1993-04-13 |
| 5187471 | Radio telecommunication apparatus | Tatsuaki Sekigawa, Shihoko Ohyanagi, Mitsuji Shiono | 1993-02-16 |
| 5177478 | Paging system having an effective ID-code transferring function | Tatsuaki Sekigawa, Shihoko Ohyanagi, Mitsuji Shiono | 1993-01-05 |
| 5039985 | Paging apparatus with improved message display function | Shihoko Ohyanagi, Mitsuji Shiono | 1991-08-13 |
| 4955080 | Selectively called receiver | Makoto Murai | 1990-09-04 |