Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34061 | Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate | Hiromasa Kawai, Takashi Morinaga, Hiromu Miyajima, Toshio Akima, Mitsuharu Kato | 1992-09-08 |
| 4986648 | Lens and optical disc base plate obtained from copolymer of norbornyl (meth)acrylate | Akihiro Kobayashi, Toshiyuki Fujita, Takayuki Saito, Hiromasa Kawai, Hideaki Shibata | 1991-01-22 |
| 4868261 | Optical resin material | Akihiro Kobayashi, Toshiyuki Fujita, Takayuki Saito, Hiromasa Kawai, Hideaki Shibata | 1989-09-19 |
| 4591626 | Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate | Hiromasa Kawai, Takashi Morinaga, Hiromu Miyajima, Toshio Akima, Mitsuharu Kato | 1986-05-27 |