Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023424 | Process for producing photochromic optical articles | Toshiaki Otani | 2015-05-05 |
| 8852737 | Coating composition and photochromic optical article | Ikumi Kawaguchi, Katsuhiro Mori | 2014-10-07 |
| 8557377 | Photochromic optical element | Katsuhiro Mori, Yuichiro Kawabata, Ikumi Kawaguchi | 2013-10-15 |
| 8409670 | Process for producing photochromic layered product | Katsuhiro Mori, Junji Momoda, Shinobu Izumi | 2013-04-02 |
| 8066917 | Photochromic curable composition | Junji Takenaka | 2011-11-29 |
| 8012596 | Photochromic lens substrate | Junji Takenaka, Junji Momoda | 2011-09-06 |
| 7951445 | Photochromic optical article and method of producing the same | Shinobu Izumi, Junji Momoda, Nobumasa Kuwashima | 2011-05-31 |
| 7763693 | Curable composition | Junji Momoda, Katsuhiro Mori | 2010-07-27 |
| 7169941 | Photochromic composition | Junji Momoda | 2007-01-30 |
| 7048876 | Chromene compound | Shinobu Izumi | 2006-05-23 |
| 6875878 | Chromene compound | Shinobu Izumi | 2005-04-05 |
| 6723859 | Chromene compound | Yuichiro Kawabata, Yasuko Takeda, Junji Momoda, Shinobu Izumi | 2004-04-20 |
| 6362248 | Photochromic polymerizable composition | Tadashi Hara, Yuichiro Kawabata, Junji Momoda | 2002-03-26 |
| 6197225 | Chromene compound | Tsuneyoshi Tanizawa, Tadashi Hara, Yuichiro Kawabata, Junji Momoda | 2001-03-06 |
| 6141135 | Photochromic composition | Junji Momoda, Yuichiro Kawabata | 2000-10-31 |
| 6110400 | Fulgimide compound and use thereof and composition containing said compound | Junji Momoda, Tsuneyoshi Tanizawa | 2000-08-29 |
| 5879591 | Process for production of photochromic cured product | Kazumasa Itonaga, Satoshi Imura | 1999-03-09 |
| 5776376 | Photochromic curable composition | Satoshi Imura, Takashi Kobayakawa | 1998-07-07 |
| 5556931 | Polymerizable composition and organic glass | Satoshi Imura, Kazuhiko Kuramoto | 1996-09-17 |