Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8560838 | Document disposal certification apparatus, document disposal certification method, computer readable medium storing document disposal certification program and computer data signal | Hiroyuki Eguchi | 2013-10-15 |
| 7761733 | Image-processing system, image-processing method, and computer readable storage medium | Rie Shishido | 2010-07-20 |
| 7007091 | Method and apparatus for processing subject name included in personal certificate | Masato Kurosaki | 2006-02-28 |
| 6986044 | Method for group unit encryption/decryption, and method and apparatus for writing signature | — | 2006-01-10 |