Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477556 | Method and apparatus for arithmetic operation and recording medium of method of operation | — | 2002-11-05 |
| 6466669 | Cipher processor, IC card and cipher processing method | Toshio Tokita | 2002-10-15 |
| 6415030 | Data transformation apparatus and data transformation method | Toshio Tokita | 2002-07-02 |