Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D695014 | Package suitable for temporarily storing contact lenses | Osamu Mori, Azusa Kumazawa | 2013-12-10 |
| 7588334 | Contact lens | Ryo Matsushita, Kazuharu Niwa | 2009-09-15 |
| 6734016 | Method for culturing cell and a culture vessel | Nobutaka Yamamoto, Satoshi Kawaminami | 2004-05-11 |
| 6057148 | Apparatus for preparing skin cell culture | Takeshi Moriyama, Kyoko Hamano | 2000-05-02 |
| 6043089 | Skin culture and process for preparing the same | Takeshi Moriyama, Kyoko Hamano | 2000-03-28 |
| 6042229 | Detachable portion for a hard contact lens and hard contact lens composite employing the same | Kazuhiko Nakada | 2000-03-28 |
| 6027745 | Process for producing controlled drug-release contact lens, and controlled drug-release contact lens thereby produced | Kazuhiko Nakada | 2000-02-22 |
| 6015213 | Ring for a hard contact lens and hard contact lens composite employing such a ring | Kazuhiko Nakada | 2000-01-18 |
| 5906937 | Culture skin and process for preparing the same | Takeshi Moriyama, Kyoko Hamano | 1999-05-25 |
| 5580498 | Method of producing contact lens with identifying mark permeating into lens | Kazuharu Niwa, Shigeo Mochizuki | 1996-12-03 |
| 5118537 | Method for treating the surface of an oxygen permeable hard contact lens | Tatsutoshi Nakajima, Yoshitaka Taniyama | 1992-06-02 |
| 4980208 | Method for treating the surface of an oxygen permeable hard contact lens | Tatsutoshi Nakajima, Yoshitaka Taniyama | 1990-12-25 |
| 4814402 | Contact lens material | Tatsutoshi Nakashima, Yoshitaka Taniyama | 1989-03-21 |