Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6707892 | Application terminal | — | 2004-03-16 |
| 6409080 | Portable electronic device and loyalty point system | — | 2002-06-25 |
| 6411200 | Card reader/writer and communication method of card reader writer | — | 2002-06-25 |
| 6283369 | IC card system and method for securing the system | Masanori Kurokawa | 2001-09-04 |
| 5977758 | Overcurrent protection circuit and overcurrent protection method of the circuit | Minoru Noguchi, Takahiro Katsumi, Toshiyuki Suzuki | 1999-11-02 |
| 5798507 | IC card reader/writer | Youko Kondou | 1998-08-25 |
| 5408423 | Battery operated portable terminal device and method of operation | — | 1995-04-18 |
| 4964072 | Electronic device with calendar function | Seietsu Nara | 1990-10-16 |