HK

Hiromasa Kawai

HC Hitachi Chemical Company: 12 patents #116 of 1,946Top 6%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
📍 Ichihara, MI: #6 of 8 inventorsTop 75%
Overall (All Time): #384,305 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8697240 Photocurable resin composition and cured product of same, resin sheet and production method for same, and display device Yoshinobu Ogawa, Futoshi Oikawa 2014-04-15
7626281 Energy converter, flag type energy converter 2009-12-01
6277938 Process for the preparation of non-birefringent optical resin and optical elements made by using the resin prepared by the process Yasuhiro Koike, Akihiro Yoshida, Minoru Suzuki 2001-08-21
5663264 Transparent resin and plastic lens Toshiyasu Kawai, Minoru Suzuki, Fumiaki Kanega 1997-09-02
5583191 Plastic lens Toshiyasu Kawai, Minoru Suzuki, Fumiaki Kanega 1996-12-10
5559200 Resin for plastic lens Minoru Suzuki, Akihiro Sasaki, Fumiaki Kanega 1996-09-24
5449731 Resin for plastic lens Minoru Suzuki, Akihiro Sasaki, Fumiaki Kanega 1995-09-12
5155190 Process for producing poly methyl methacrylate/N-substituted maleimide optical resin Takaaki Okinaka, Kiyomi Sugawara, Fumiaki Kanega 1992-10-13
RE34061 Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate Takashi Morinaga, Hiromu Miyajima, Toshio Akima, Mitsuharu Kato, Yutaka Hosoi 1992-09-08
4986648 Lens and optical disc base plate obtained from copolymer of norbornyl (meth)acrylate Akihiro Kobayashi, Toshiyuki Fujita, Takayuki Saito, Yutaka Hosoi, Hideaki Shibata 1991-01-22
4868261 Optical resin material Akihiro Kobayashi, Toshiyuki Fujita, Takayuki Saito, Yutaka Hosoi, Hideaki Shibata 1989-09-19
4591626 Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate Takashi Morinaga, Hiromu Miyajima, Toshio Akima, Mitsuharu Kato, Yutaka Hosoi 1986-05-27
4351910 Expandable styrene series resin composition and process for production thereof Hatuo Sugitani, Takeo Kudo, Yoshiyuki Mukoyama 1982-09-28