Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8772441 | Polyurethanes polymerizable composition and method for producing optical resin of the same | Shigetoshi Kuma, Koichi Tokunaga, Seiichi Kobayashi | 2014-07-08 |
| 8183404 | Process for producing dicyanonorbornane and zerovalent nickel complex catalyst | Norihiko Fukatsu, Chitoshi Shimakawa, Koichi Tokunaga, Seiichi Kobayashi | 2012-05-22 |
| 8183407 | Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate | Chitoshi Shimakawa, Hidetoshi Hayashi, Norihiko Fukatsu, Seiichi Kobayashi, Homare Yumoto +2 more | 2012-05-22 |
| 7354989 | Thioepoxy based polymerizable composition and method for production thereof | Seiichi Kobayashi, Chitoshi Shimakawa, Akinori Ryu, Nobuo Kawato | 2008-04-08 |
| 7132501 | Polymerizable composition containing novel cyclic sulfur compound and resin obtained by curing the polymerizable composition | Seiichi Kobayashi | 2006-11-07 |
| 6664364 | Selenium-containing transparent optical material | Koju Okazaki, Mamoru Tanaka, Shiro Honma, Yoshinobu Kanemura, Masahiko Kusumoto | 2003-12-16 |
| 6482918 | Selenium-containing transparent optical material | Koju Okazaki, Mamoru Tanaka, Shiro Honma, Yoshinobu Kanemura, Masahiko Kusumoto | 2002-11-19 |
| 6458917 | Polymerizable composition | Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Akinori Ryu, Yoshinobu Kanemura | 2002-10-01 |
| 6365707 | Polymerizable composition and process for producing optical resin comprising the same | Akinori Ryu, Seiichi Kobayashi, Chitoshi Shimakawa, Koju Okazaki, Yoshinobu Kanemura +1 more | 2002-04-02 |
| 6303747 | Selenium-containing transparent optical material | Koju Okazaki, Mamoru Tanaka, Shiro Honma, Yoshinobu Kanemura, Masahiko Kusumoto | 2001-10-16 |
| 6300464 | Polymerizable composition | Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Akinori Ryu, Yoshinobu Kanemura | 2001-10-09 |
| 6204311 | Polymerizable composition | Seiichi Kobayashi, Koju Okazaki, Chitoshi Shimakawa, Akinori Ryu, Yoshinobu Kanemura | 2001-03-20 |
| 6124424 | Selenized transparent optical material | Koju Okazaki, Mamoru Tanaka, Shiro Honma, Yoshinobu Kanemura, Masahiko Kusumoto | 2000-09-26 |