Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670627 | Apparatus and method for continuous surface examination comprising a light shielding member at outer ends of the examined surface | Ippei Takahashi | 2003-12-30 |
| 6334378 | Perforator | Takeshi Kanaoka, Junichi Tsuchiya, Susumu Sato | 2002-01-01 |
| 6128986 | Perforator | Takeshi Kanaoka, Junichi Tsuchiya, Susumu Sato | 2000-10-10 |
| 6062120 | Perforator | Takeshi Kanaoka, Susumu Sato | 2000-05-16 |
| 6016730 | Perforator | Takeshi Kanaoka, Junichi Tsuchiya, Susumu Sato | 2000-01-25 |
| 5746100 | Method of perforating film | Takeshi Kanaoka, Junichi Tsuchiya | 1998-05-05 |
| 5697272 | Method of perforating film | Takeshi Kanaoka, Junichi Tsuchiya, Susumu Sato | 1997-12-16 |
| 5697273 | Method of perforating film | Takeshi Kanaoka, Junichi Tsuchiya, Susumu Sato | 1997-12-16 |
| 5673602 | Method and apparatus for making perforations continuously | Hiroshi Seikai, Koichi Takahashi, Mituru Suzuki | 1997-10-07 |