Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163532 | Packet data transferring method for mobile radio data communication system | Tsutomu Taguchi, Shinji Kobayashi, Yoshiki Fujima, Masahiko Hirono | 2000-12-19 |
| 6009088 | Mobile wireless data communications system | Tsutomu Taguchi, Shinji Kobayashi, Yoshiki Fujima, Masahiko Hirono | 1999-12-28 |
| 5705089 | Cleaning fluid for semiconductor substrate | Yasuo Sugihara, Ikue Sakuma | 1998-01-06 |
| 5614165 | Process for purification of hydrogen peroxide | Yasuo Sugihara, Hisashi Sakaitani | 1997-03-25 |
| 5302311 | Cleaning solution of semiconductor substrate | Yasuo Sugihara, Michiya Kawakami | 1994-04-12 |
| 5255308 | Wide area cordless telephone system capable of receiving incoming group address calls | Tadao Hashimoto | 1993-10-19 |