Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800879 | Polycarbonate resin, and production method and film thereof | Katsuhiro Yamanaka | 2020-10-13 |
| 9850344 | Polycarbonate resin and optical film | Youhei Okada, Kouji Oda, Katsuhiro Yamanaka | 2017-12-26 |
| 9598546 | Optical film | Akiko Washizu, Masatoshi Ando, Shoichi Maekawa | 2017-03-21 |
| 9096710 | Polycarbonate resin | Kenta Imazato, Katsuhiro Yamanaka | 2015-08-04 |
| 9018340 | Copolycarbonate and transparent molded article obtained therefrom | Tsuyoshi Takeda, Hiroshi Okamoto | 2015-04-28 |
| 9018338 | Polycarbonate resin and molded article thereof | — | 2015-04-28 |
| 8877304 | Optical film | Masatoshi Ando, Makoto Ueno, Akiko Nishijima | 2014-11-04 |
| 8816039 | Copolycarbonate | Masatoshi Ando, Tsuyoshi Takeda | 2014-08-26 |
| 8455611 | Optical film | Masatoshi Ando, Akiko Washizu | 2013-06-04 |
| 8378055 | Polyester carbonate copolymer for optical lens and optical lens | Kazunori Nunome, Manabu Matsui, Kazushi Tando, Teruyuki Shigematsu, Tomokiyo Doi | 2013-02-19 |
| 8293861 | Optical film | Masatoshi Ando, Akiko Washizu | 2012-10-23 |