Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770009 | Digital signing method | Kunihiko Miyazaki, Ryoichi Sasaki, Kazuo Takaragi, Seiichi Susaki, Toshiyuki Moritsu +2 more | 2010-08-03 |
| 7707079 | Tax declaration system | Mamoru Ozaki, Taiki Sakata, Mashiho Kawamura | 2010-04-27 |
| 7305558 | Digital signing method | Kunihiko Miyazaki, Ryoichi Sasaki, Kazuo Takaragi, Seiichi Susaki, Toshiyuki Moritsu +2 more | 2007-12-04 |