Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9870632 | Information processing apparatus and non-transitory computer readable medium | Daisuke Tatsumi, Takeshi Onishi, Eisaku Hayashi | 2018-01-16 |
| 9779263 | Access right estimation apparatus and non-transitory computer readable medium | Motoyuki Takaai | 2017-10-03 |
| 7359094 | Image processing apparatus and image forming medium | — | 2008-04-15 |
| 6069636 | Embedding information into images by varying pixel parameters | Masayuki Kurahashi | 2000-05-30 |