Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10952343 | Assembled body | — | 2021-03-16 |
| 7837327 | Contact lens user support system and support method | Hidenari Tanaka, Kazuhiko Nakada, Hiroaki Suzuki, Sadanori Ohno | 2010-11-23 |
| 7270716 | Method of selecting contact lens and/or care system therefor | Sadanori Ohno, Kazuhiko Nakada, Hiroaki Suzuki | 2007-09-18 |
| 6727336 | Ocular lens materials and process for producing the same | Eri Ito, Sadanori Oono, Kazuhiko Nakada, Misako Nishibayashi | 2004-04-27 |
| 6160069 | Liquid for contact lenses | Kazuhiko Nakada | 2000-12-12 |