Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5729717 | IC card and issuing apparatus allowing multiple applications | Hitoshi Kokuryo, Shinsuke Tamura, Hiroshi Ozaki | 1998-03-17 |
| 5148543 | IC card with a stored data change inhibition function | Tsutomu Tanaka | 1992-09-15 |
| 5124920 | Driver restriction apparatus for restricting a vehicle driver | Seinosuke Kajitani | 1992-06-23 |
| 5017766 | Portable electronic apparatus capable of confirming validity of transaction data | Tsutomu Tanaka, Hideo Matsuoka | 1991-05-21 |
| 4879645 | Data processing device with high security of stored programs | Hitoshi Kokuryo, Shinsuke Tamura, Hiroshi Ozaki | 1989-11-07 |
| 4822990 | Admission control system having a transponder actuated by an inquiry signal | Tsutomu Tanaka, Hideo Matsuoka | 1989-04-18 |
| 4771460 | Data processing terminal device which stores a modified decrypted data in a programmable read only memory in order to detect alteration thereof | Hitoshi Kokuryo, Shinsuke Tamura, Hiroshi Ozaki | 1988-09-13 |
| 4757543 | Encrypting and decrypting device which stores an algorithm in a memory | Hitoshi Kokuryo, Shinsuke Tamura, Hiroshi Ozaki | 1988-07-12 |
| 4748557 | Data processing terminal device for storing encrypted journal data and decrypting the data | Hitoshi Kokuryo, Shinsuke Tamura, Hiroshi Ozaki | 1988-05-31 |
| 4739479 | Apparatus for inputting classification information of delivery matter | Kazuhito Haruki, Kimio Katsuragawa | 1988-04-19 |
| 4641753 | Mail sorting apparatus | — | 1987-02-10 |
| 4632252 | Mail sorting system with coding devices | Kazuhito Haruki, Masanori Iwamoto | 1986-12-30 |
| 4613805 | Conveyor system | Yukito Matsuo, Takashi Sawafuji, Teruo Azukizawa | 1986-09-23 |