Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093686 | Liquid for contact lenses | Yutaka Matano | 2000-07-25 |
| 6042229 | Detachable portion for a hard contact lens and hard contact lens composite employing the same | Akihisa Sugiyama | 2000-03-28 |
| 6027745 | Process for producing controlled drug-release contact lens, and controlled drug-release contact lens thereby produced | Akihisa Sugiyama | 2000-02-22 |
| 6015213 | Ring for a hard contact lens and hard contact lens composite employing such a ring | Akihisa Sugiyama | 2000-01-18 |
| 5910518 | Oxygen permeable contact lens having high durable hydrophilic surface and method for producing the same | Naomi Saito, Misako Nishibayashi, Atsuyuki Nakamura, Yasuhito Hishida | 1999-06-08 |
| 5817726 | Water-absorptive soft ocular lens material, water-absorptive soft ocular lens shaped product made thereof, water-absorptive soft ocular lens made thereof and process for its production | Noriko Yoshimatsu, Shoji Ichinohe, Toshio Yamazaki | 1998-10-06 |
| 5708050 | Oxygen permeable contact lens having high durable hydrophilic surface and method for producing the same | Naomi Saito, Misako Nishibayashi, Atsuyuki Nakamura, Yasuhito Hishida | 1998-01-13 |
| 5703143 | Ocular lens material | Haruyuki Hiratani, Toshio Yamazaki, Shoji Ichinohe | 1997-12-30 |
| 5670594 | Low water-absorptive ocular lens material, low water-absorptive ocular lens shaped product made thereof, low water-absorptive ocular lens made thereof and process for its production | Noriko Yoshimatsu, Shoji Ichinohe, Toshio Yamazaki | 1997-09-23 |
| 5605942 | Contact lens material | Haruyuki Hiratani, Shoji Ichinohe, Toshio Yamazaki, Hideto Kato | 1997-02-25 |
| 5397511 | Method of producing intraocular lens formed from polymide powder | Kenichi Ishihara, Kunihisa Yoshida, Haruyuki Hiratani | 1995-03-14 |
| 5269813 | Material for one-piece intraocular lenses | Kunihisa Yoshida | 1993-12-14 |
| 5246634 | Process for producing intraocular lens | Makoto Ichikawa, Yoshiyuki Ikeda | 1993-09-21 |
| 5147902 | Ultraviolet light absorbing ocular lens | Makoto Ichikawa, Kazuharu Niwa | 1992-09-15 |
| 5091121 | Production of a balloon for an intraocular lens | Akihiro Yasuda, Makoto Ichikawa | 1992-02-25 |
| 5049156 | Intra-ocular lens | Kazumi Higashi, Kazuhide Fujita, Yoshinori Yoshida, Kiichiro Matsushita | 1991-09-17 |
| 5035710 | Balloon for an intraocular lens and processes for its production | Akihiro Yasuda, Makoto Ichikawa | 1991-07-30 |
| 4809919 | Method and apparatus for winding yarn in automatic winder | Yutaka Ueda, Isamu Ikeda, Masaharu Kiriake | 1989-03-07 |
| 4451629 | Contact lens and process for preparing the same | Kyoichi Tanaka, Shinji Kanome, Tatsutoshi Nakajima, Nobuyuki Toyoshima | 1984-05-29 |