Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9681327 | Wireless sensor network system | — | 2017-06-13 |
| 9398485 | Wireless sensor network system | — | 2016-07-19 |
| 6460137 | Encryption processing system | Ryota Akiyama, Akio Munakata, Yuzuru Koga, Makoto Yoshioka | 2002-10-01 |
| 6108002 | Program reservation method in a CATV | — | 2000-08-22 |
| 6021390 | Information selling method and information selling system | Kazuo Satoh, Yoshimasa Kadooka | 2000-02-01 |
| 5884140 | Information distributing system with sub-stations transmitting broadcast information by wireless and terminals receiving the information | Kazuo Satoh, Yoshimasa Kadooka, Mariko Hayakawa | 1999-03-16 |
| 5784464 | System for and method of authenticating a client | Ryota Akiyama, Akio Munakata, Yuzuru Koga | 1998-07-21 |
| 5699328 | Automatic vending machine for vending information transmitted from satellite | Kazuo Satoh, Yoshimasa Kadooka, Mariko Hayakawa, Tetsuo Urushihara | 1997-12-16 |
| 5428685 | IC memory card and method of protecting data therein | Yoshimasa Kadooka, Kazuo Satoh, Mariko Touyama, Yutaka Yunomura | 1995-06-27 |