Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147319 | Hole making device for web material | Kiyoshi Imai, Michiaki Takatsu | 2000-11-14 |
| 6049057 | Laser piercing apparatus for moving web material | Kiyoshi Imai, Michiaki Takatsu | 2000-04-11 |
| 6025572 | Laser piercing apparatus for a web material | Kiyoshi Imai, Michiaki Takatsu | 2000-02-15 |
| 5836323 | Automated method and apparatus for hydrating soft contact lenses | Darren S. Keene, Timothy P. Newton, Daniel Tsu-Fang Wang, David Dolan, Kiyoshi Imai +7 more | 1998-11-17 |
| 5762081 | Automated apparatus for hydrating soft contact lenses | Darren S. Keene, Timothy P. Newton, Daniel Tsu-Fang Wang, David Dolan, Kiyoshi Imai +7 more | 1998-06-09 |
| 5697573 | Apparatus for stably transferring belt-like material | Junji Ueno, Hisaki Tsumori, Toshikazu Yoshino | 1997-12-16 |
| 5403990 | Apparatus boring perforations in a web sheet | — | 1995-04-04 |