Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410714 | Integrated-circuit card equipped with a single chip data processor automatically entering low-power consumption mode | Masashi Takahashi, Seiji Hirano | 1995-04-25 |
| 5129091 | Integrated-circuit card with active mode and low power mode | Masashi Takahashi, Seiji Hirano | 1992-07-07 |
| 5015834 | Information card system communicable in contactless manner | Tadato Suzuki, Hidekazu Matsumura, Seiji Hirano | 1991-05-14 |
| 4908038 | High-security integrated-circuit card | Hidekazu Matsumura | 1990-03-13 |
| 4748320 | IC card | Masashi Takahashi | 1988-05-31 |