Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9785048 | Resist composition | Masatoshi Echigo, Yu Okada, Yumi Ochiai | 2017-10-10 |
| 9354516 | Resist composition | Masatoshi Echigo, Yu Okada, Yumi Ochiai | 2016-05-31 |
| 8969629 | Cyclic compound, production process thereof, radiation-sensitive composition and resist pattern formation method | Masatoshi Echigo, Yu Okada | 2015-03-03 |
| 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, Motoharu Takeuchi | 2006-04-11 |
| 6872333 | 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, Motoharu Takeuchi | 2005-03-29 |
| 6534589 | Process for producing a resin having a large refractive index | Yuichi Yoshimura, Motoharu Takeuchi, Atsuki Niimi, Hiroshi Horikoshi | 2003-03-18 |
| 6365223 | Process for tinting a resin for optical materials | Yuichi Yoshimura, Motoharu Takeuchi, Atsuki Niimi, Hiroshi Horikoshi | 2002-04-02 |