Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139573 | Polymerizable composition for optical members, optical member and eyeglass lens | Yukio Kageyama, Tomofumi Ohnishi, Yoshio Sano | 2024-11-12 |
| 11479654 | Method for producing resin for optical component, resin for optical component, spectacle lens, and spectacles | — | 2022-10-25 |
| 11267953 | Iso(thio)cyanate composition, and resin composition including same for optical member | Natsumi TASAKI | 2022-03-08 |
| 11021563 | Method for producing resin for optical component, resin for optical component, spectacle lens, and spectacles | Takeaki Iryo | 2021-06-01 |
| 11001699 | Transparent plastic substrate and plastic lens | Natsumi TASAKI | 2021-05-11 |
| 10975026 | Method for producing polythiol compound, method for producing curable composition, and method for producing cured product | Yukio Kageyama, Akinori Yamamoto | 2021-04-13 |
| 10947365 | Transparent plastic substrate and plastic lens | Natsumi TASAKI | 2021-03-16 |
| 10766996 | Method for producing polythiol compound, method for producing curable composition, and method for producing cured product | Yukio Kageyama, Tomofumi Ohnishi | 2020-09-08 |
| 10752726 | Resin composition | Yukio Kageyama, Tomofumi Ohnishi | 2020-08-25 |
| 10745539 | Transparent plastic substrate and plastic lens | Natsumi TASAKI | 2020-08-18 |
| 10611726 | Method for producing polythiol compound, method for producing curable composition, and method for producing cured product | Yukio Kageyama, Tomofumi Ohnishi | 2020-04-07 |
| 10544283 | Iso(thio)cyanate composition, and resin composition including same for optical member | Natsumi TASAKI | 2020-01-28 |
| 10465036 | Polymerizable composition, transparent resin, optical material, plastic lens, and method for manufacturing transparent resin | Takayuki Iijima | 2019-11-05 |
| 10329373 | Polyisocyanate monomer composition for optical members, and optical member and production method therefor | Yuji Hoshi | 2019-06-25 |
| 10301415 | Polymerizable composition for optical member, optical member, and spectacle lens base | Tomofumi Ohnishi | 2019-05-28 |
| 10106640 | Polymerizable composition, transparent resin, optical material, plastic lens, and method for manufacturing transparent resin | Takayuki Iijima | 2018-10-23 |
| 9499656 | Urethane-based optical member and method for producing same | Yasuhisa Okamoto | 2016-11-22 |
| 9193831 | Urethane-based optical component and manufacturing process therefor | Yasuhisa Okamoto | 2015-11-24 |
| 8895661 | Plastic lens | Shinsuke Itoh | 2014-11-25 |
| 8398235 | Plastic lens for spectacles, process for producing the same, and coating liquid applicator for use in the process | — | 2013-03-19 |
| 8193303 | Method for production of plastic lens | Shinsuke Itoh | 2012-06-05 |
| 7872093 | Method for producing polythiourethane resin | — | 2011-01-18 |