Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138123 | Method for regenerating working solution used for production of hydrogen peroxide and method for producing hydrogen peroxide using regenerated working solution | Hiroshi Hasegawa, Yukako Kozawa | 2018-11-27 |
| 9529117 | Polymerizable composition for optical material, method for producing same, and method for producing optical material | Teruo Kamura, Naotsugu Shimoda, Yoshihiko Nishimori, Eiji Koshiishi | 2016-12-27 |
| 9518153 | Polymerizable composition for optical materials | Eiji Koshiishi, Hitoshi Okazaki | 2016-12-13 |
| 9458293 | Method for producing composition for optical material | Takashi Aoki, Hirohito Ishizuka, Eiji Koshiishi | 2016-10-04 |
| 9376603 | Polymerizable composition, and cured article | Hitoshi Okazaki, Kousuke Namiki | 2016-06-28 |
| 9150694 | Composition for use in optical material with high refractive index and high strength | Takashi Aoki, Hirohito Ishizuka | 2015-10-06 |
| 9133151 | Method for producing bis(β-epdxypropyl)sulfide and bis(β-epdxypropyl)polysulfide | Hiroshi Horikoshi | 2015-09-15 |
| 8853346 | Curable resin composition | Hitoshi Okazaki | 2014-10-07 |
| 8642718 | Curable composition | Teruo Kamura, Masahiro Johno | 2014-02-04 |
| 8575293 | Resin composition for optical material and optical material using the same | Hiroshi Horikoshi | 2013-11-05 |
| 8512813 | Coating composition, coating film made of same, and optical article | Hiroyuki Okada, Masahiro Johno | 2013-08-20 |
| 8394920 | Composition for resin and optical lens obtained therefrom | Takashi Aoki | 2013-03-12 |
| 8389671 | Resin composition for optical member and optical member obtained from the same | Hiroshi Horikoshi, Hiroaki Tanaka, Hirohito Ishizuka | 2013-03-05 |
| 7691555 | Photocurable composition and coating composition | Hitoshi Okazaki, Junya Hayakawa, Masahiro Johno, Kenji Ishii | 2010-04-06 |
| 7446163 | Polymerization regulator and composition for resin | Masaki Tamura, Takahiro Matsui, Masanori Shimuta, Yuichi Yoshimura, Hiroshi Horikoshi +1 more | 2008-11-04 |
| 7350917 | Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lens | Ryozo Kawai, Yoshiyuki Aoki, Kyohei Takakuwa, Mitsuhiko Masumoto, Toshizumi Hirota | 2008-04-01 |
| 7309794 | Method of storing episulfide compound | Akikazu Amagai, Yuichi Yoshimura, Atsuki Niimi, Hiroshi Horikoshi, Masanori Shimuta +1 more | 2007-12-18 |
| 7300747 | Photobase generator and curable composition | Hitoshi Okazaki, Junya Hayakawa, Masahiro Jono, Kenji Ishii | 2007-11-27 |
| 7301705 | Alicyclic compound for optical material | Yuichi Yoshimura, Teruo Kamura | 2007-11-27 |
| 7183441 | Method for producing vicinal dithiol | Mitsuteru Kondo, Masahiro Johno, Kenji Ishii | 2007-02-27 |
| 7169845 | Polymerization regulators and compositions for resin | Masaki Tamura, Takahiro Matsui, Masanori Shimuta, Yuichi Yoshimura, Hiroshi Horikoshi +1 more | 2007-01-30 |
| 7091307 | Composition for optical material | Yuichi Yoshimura, Hiroshi Horikoshi | 2006-08-15 |
| 7026372 | Enic compounds, sulfur-containing polyenic compound, sulfur-containing polythiol compound, high refractive index photocurable composition and cured product thereof | Kenji Ishii, Hitoshi Okazaki, Mitsuteru Kondo, Masaaki Takasuka | 2006-04-11 |
| 7009031 | Composition for optical material | Yuichi Yoshimura | 2006-03-07 |
| 6960640 | Composition for optical material | Yuichi Yoshimura, Kazumoto Nakagawa | 2005-11-01 |