Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11226442 | Optical filter and ambient light sensor including optical filter | Katsuya Nagaya, Takashi Tsubouchi | 2022-01-18 |
| 10996105 | Optical filter having low incident angle dependence of incident light, ambient light sensor, sensor module and electronic device | Katsuya Nagaya, Daisuke SHIGEOKA, Takashi Tsubouchi | 2021-05-04 |
| 10473836 | Optical filter and ambient light sensor including optical filter | Katsuya Nagaya, Takashi Tsubouchi | 2019-11-12 |
| 9606275 | Optical filter, solid-state image pickup device and camera module | Katsuya Nagaya, Yukie Tanaka, Takashi Tsubouchi, Daisuke SHIGEOKA | 2017-03-28 |
| 9057840 | Optical filter and imaging device comprising the same | Motoki Okaniwa, Takaaki Uno, Shintaro Fujitomi, Takashi Okada, Katsuya Nagaya | 2015-06-16 |
| 7449132 | Proton conductive composition and proton conductive membrane | Mayumi Kakuta, Nagayuki Kanaoka, Masaaki Nanaumi, Yoichi Asano, Ryoichiro Takahashi | 2008-11-11 |
| 7381501 | Polymer electrolyte and proton conductive membrane | Nagayuki Kanaoka, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma | 2008-06-03 |
| 7368068 | Sulfonic group-containing polyarylene block copolymer, process for production thereof, solid polymer electrolyte and proton conductive membrane | Takashi Okada, Mayumi Shinoda, Kimihiko Yoshii, Yousuke Konno, Kohei Goto | 2008-05-06 |
| 7211203 | Polymer electrolyte, proton conductive membrane and membrane-electrode assembly | Nagayuki Kanaoka, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma | 2007-05-01 |
| 6552145 | Polarizer protection film | Yasumasa Okada, Hitoshi Kobayashi, Shoji Nozato, Takahiko Sawada, Kazuaki Hiratani | 2003-04-22 |