Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651588 | Dewatering and thickening belt having improved guide performance and manufacturing method thereof | Yoshihisa Kondou | 2010-01-26 |
| 7478655 | Press fabric for pulp machine | — | 2009-01-20 |
| 6018001 | Process for producing contact lens with hydrophilic surface and contact lens obtained thereby | Haruyuki Hiratani | 2000-01-25 |
| 5946766 | Cleaning belt for an industrial belt | Ichihiro Kitamura, Senri Ito | 1999-09-07 |
| 5274893 | Belt for fabricating a non-woven fabric with projections and method for fabricating a non-woven fabric with patterns | Ichihiro Kitamura | 1994-01-04 |
| 5118537 | Method for treating the surface of an oxygen permeable hard contact lens | Akihisa Sugiyama, Yoshitaka Taniyama | 1992-06-02 |
| 4980208 | Method for treating the surface of an oxygen permeable hard contact lens | Akihisa Sugiyama, Yoshitaka Taniyama | 1990-12-25 |
| 4829126 | High water-absorptive soft contact lens | Nobuyuki Toyoshima, Masashige Yamanaka | 1989-05-09 |
| 4451629 | Contact lens and process for preparing the same | Kyoichi Tanaka, Shinji Kanome, Kazuhiko Nakada, Nobuyuki Toyoshima | 1984-05-29 |