Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279791 | Polymerizable composition for optical material, method for manufacturing polymerizable composition for optical material, and method for manufacturing optical article | — | 2022-03-22 |
| 11180602 | Polymerizable composition for optical material, optical material obtained from composition, method of producing same | — | 2021-11-23 |
| 10663622 | Plastic polarized lens and method of producing the same | Hiroyuki Kamio, Yoshimitsu Aiiso | 2020-05-26 |
| 10563003 | Polymerizable composition for optical material, optical material obtained from composition, method of producing same | — | 2020-02-18 |
| 10274643 | Plastic polarized lens and method of producing the same | Hiroyuki Kamio, Yoshimitsu Aiiso | 2019-04-30 |
| 9845373 | Polymerizable composition for photochromic optical materials | — | 2017-12-19 |
| 9778397 | Polymerizable composition, optical material, and manufacturing method of the same | Kouji Suesugi | 2017-10-03 |
| 9778396 | Polymerizable composition for optical material, optical material obtained from same composition, and plastic lens | — | 2017-10-03 |
| 9605103 | Process for producing photochromic optical material | — | 2017-03-28 |
| 9529118 | Composition for optical material and use of same | Ryouichi Seki, Kazuki Fujii | 2016-12-27 |
| 9505872 | Polymerizable composition for optical material, optical material and method for producing optical material | Seiichi Kobayashi | 2016-11-29 |
| 9086531 | Plastic polarized lens, method for producing the same, and polarized film | Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso | 2015-07-21 |
| 9000119 | Polymerizable composition for optical material, optical material, and method for producing optical material | Seiichi Kobayashi | 2015-04-07 |
| 8455610 | Polythiourethane polymerizable composition and method for producing optical resin by using same | Mamoru Tanaka, Osamu Kohgo, Kunio Okumura | 2013-06-04 |
| 8434866 | Polymerizable composition for optical material, optical material, and method for preparing the optical material | Hidetoshi Hayashi, Masaru Kawaguchi, Hironori Kuboi, Mamoru Takashina, Seiichi Kobayashi +1 more | 2013-05-07 |
| 8304506 | Polythiourethane-based polymerizable composition and optical resin obtained from the same | Mamoru Tanaka, Kunio Okumura | 2012-11-06 |
| 8222366 | Polythiourethane polymerizable composition and method for producing optical resin by using same | Mamoru Tanaka, Osamu Kohgo, Kunio Okumura | 2012-07-17 |
| 8187712 | Plastic polarized lens and method of producing the same | Seiichi Kobayashi, Yoshimitsu Aiiso | 2012-05-29 |
| 7932327 | Polyurethane/thiourethane-based optical resin and process for producing the same | Osamu Kohgo, Junichi Mohri, Mamoru Tanaka, Kunio Okumura | 2011-04-26 |
| 7354989 | Thioepoxy based polymerizable composition and method for production thereof | Hiroyuki Morijiri, Seiichi Kobayashi, Chitoshi Shimakawa, Nobuo Kawato | 2008-04-08 |
| 6458917 | Polymerizable composition | Hiroyuki Morijiri, Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Yoshinobu Kanemura | 2002-10-01 |
| 6365707 | Polymerizable composition and process for producing optical resin comprising the same | Seiichi Kobayashi, Hiroyuki Morijiri, Chitoshi Shimakawa, Koju Okazaki, Yoshinobu Kanemura +1 more | 2002-04-02 |
| 6300464 | Polymerizable composition | Hiroyuki Morijiri, Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Yoshinobu Kanemura | 2001-10-09 |
| 6204311 | Polymerizable composition | Hiroyuki Morijiri, Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Yoshinobu Kanemura | 2001-03-20 |
| 5554765 | Bisimide compounds, polyimide resin composition prepared therefrom, and carbon fiber-reinforced polyimide resin composition | Masahiro Ohta, Akio Matsuyama, Eiji Senoue, Fumiaki Kuwano, Osamu Yasui +2 more | 1996-09-10 |