Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770009 | Digital signing method | Kunihiko Miyazaki, Ryoichi Sasaki, Kazuo Takaragi, Seiichi Susaki, Mizuhiro Sakai +2 more | 2010-08-03 |
| 7305558 | Digital signing method | Kunihiko Miyazaki, Ryoichi Sasaki, Kazuo Takaragi, Seiichi Susaki, Mizuhiro Sakai +2 more | 2007-12-04 |
| 6947911 | Method for making contract and system for processing contract | Harushi Someya | 2005-09-20 |
| 6674917 | Method of synthesizing an image for any light source position and apparatus therefor | Kazuya Hisaki, Makoto Kato, Nobuo Kotatsu | 2004-01-06 |