Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502765 | Method and apparatus for settlement of accounts by IC cards | Toshiyasu Muta, Kazutaka Sakita, Shoji Miyaguchi, Tatsuaki Okamoto, Atsushi Fujioka | 1996-03-26 |
| 5446796 | Method and apparatus for settlement of accounts by IC cards | Toshiyasu Muta, Kazutaka Sakita, Shoji Miyaguchi, Tatsuaki Okamoto, Atsushi Fujioka | 1995-08-29 |
| 5396558 | Method and apparatus for settlement of accounts by IC cards | Toshiyasu Muta, Kazutaka Sakita, Shoji Miyaguchi, Tatsuaki Okamoto, Atsushi Fujioka | 1995-03-07 |
| 5211770 | Magnetic recording powder having a high coercive force at room temperatures and a low curie point | Kouichi Ishiyama, Yoshinari Ishii, Takuo Takeshita, Hachiro Saito, Yasuaki Yoshioka | 1993-05-18 |
| 5003409 | Dual layered magnetic data card with reading and recording apparatus | Norio Yano, Hirokazu Uekusa | 1991-03-26 |
| 4977040 | Magnetic card | Norio Yano | 1990-12-11 |