Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192976 | Copolymer, polymer, molding material and resin molded body | Kensaku Fujii, Takashi Houkawa, Yasuhiro Shimizu | 2021-12-07 |
| 10647811 | Copolymer, polymer, molding material and resin molded body | Kensaku Fujii, Takashi Houkawa, Yasuhiro Shimizu | 2020-05-12 |
| 9459376 | Optical polymer and optical element obtained by forming thereof | Ayumi Sato, Yosuke HARAUCHI, Hiroya Nishioka, Takashi Houkawa, Kenji Umeda | 2016-10-04 |
| 9194234 | Fixture for connecting rotors of rotary machine and method of connecting rotors | Kenichi Arase, Kimihiro Kikugawa | 2015-11-24 |