Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11666983 | Dressing quality determination method for resistance welding electrodes and device for the same | Daisuke NAKAZAKI, Akira NAWAHARA | 2023-06-06 |
| 9334270 | Polymerizable (photosensitive or reactive) cyano-containing compound, a dye, and colored photosensitive composition | Masaaki Shimizu, Koichi Shigeno | 2016-05-10 |
| 9239408 | Colored photosensitive composition | Masaaki Shimizu, Koichi Shigeno, Tomoyuki Ariyoshi | 2016-01-19 |
| 9110350 | Color conversion filter | Koichi Shigeno, Tomoyuki Ariyoshi, Mitsuhiro Okada, Yukiko Kanehara | 2015-08-18 |
| 9029434 | Colored photosensitive composition | Masaaki Shimizu, Koichi Shigeno | 2015-05-12 |
| 8759540 | Color tone correcting agent, squarylium compound and optical filter | Tatsuya Ishida | 2014-06-24 |
| 8664289 | Dye and coloring photosensitive composition | Masaaki Shimizu, Keisuke Matsuhira | 2014-03-04 |
| 8460858 | Near-infrared-ray absorbing material containing cyanine compound, and cyanine compound | Ryoya Otsuki, Koichi Shigeno | 2013-06-11 |
| 8206619 | Color correction material, film-forming composition, and optical filter | Tatsuya Ishida, Satoshi Yanagisawa | 2012-06-26 |