Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9215974 | Apparatus for optometric self-examination, management server and contact lens selection system | Masahiro Okawa, Kensuke Muraki | 2015-12-22 |
| 7837327 | Contact lens user support system and support method | Kazuhiko Nakada, Hiroaki Suzuki, Sadanori Ohno, Tetsuji Kawai | 2010-11-23 |