Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443635 | Cement compositions | Masashi Sugiyama, Kazuo Komatsu | 1995-08-22 |
| 5422687 | Contact lens wherein central correction region has a center 0.2-2.4mm offset from lens geometric center and a diameter of 0.8-3.5mm | Naoki Anan, Shingo Hibino, Yoshikazu Miura, Tadashi Sawano, Kenichi Ishihara +1 more | 1995-06-06 |
| 5284348 | Apparatus for cutting ocular lens materials | Toyoyasu Tanaka, Yasuyoshi Yamamoto | 1994-02-08 |
| 5009713 | Cement composition and a process for preparation thereof | Masaharu Sakuta, Toshiharu Urano, Masashi Sugiyama, Shyuzo Endoh, Keisuke Fujioka | 1991-04-23 |
| 4500441 | Contact lens cleaning and storage composition | Akira Tsuzuki, Shunichi Hioki | 1985-02-19 |
| 4451629 | Contact lens and process for preparing the same | Shinji Kanome, Tatsutoshi Nakajima, Kazuhiko Nakada, Nobuyuki Toyoshima | 1984-05-29 |
| 4259202 | Cleaning and preservative solution for contact lenses | Akira Tsuzuki | 1981-03-31 |
| 4235985 | Polymer for contact lens and contact lens made thereof | Kouzou Takahashi, Mitsuhiro Kanada, Yasuyuki Kato, Masuji Ichihara | 1980-11-25 |