Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209154 | Polymer material | Kengo Asai, Kazuhiro Sunahara, Yurika SATAKE | 2025-01-28 |
| 9657131 | Ophthalmic lens | — | 2017-05-23 |
| 9650473 | Polysiloxane-based macromonomer for ophthalmic lens and ophthalmic lens using the same | Shoji Ichinohe | 2017-05-16 |
| 9017716 | Ophthalmic lens | — | 2015-04-28 |
| 8523878 | Method of producing medical instrument | Kazuharu Niwa, Ryo Matsushita, Yasuhiko Suzuki, Hiroko Nomura, Kazuhiko Nakada | 2013-09-03 |
| 7662937 | Polymerizable dye and ophthalmic lens containing the same | Kazuharu Niwa | 2010-02-16 |