TK

Tsuyoshi Kashiwagi

Dai Nippon Printing Co.: 28 patents #37 of 2,222Top 2%
Overall (All Time): #133,400 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12197066 Optical film, optical-film-provided polarizing plate, and display device Takahiro TAKESHIMA 2025-01-14
12066708 Optical sheet, light controlling member, surface light source device, image source unit, and display 2024-08-20
11747669 Optical sheet, light controlling member, surface light source device, image source unit, and display 2023-09-05
11635562 Image source unit, and liquid crystal display device 2023-04-25
11409157 Image source unit and display device 2022-08-09
11378837 Optical sheet, light controlling member, surface light source device, image source unit, and display 2022-07-05
11256125 Optical sheet, image source unit and image display device 2022-02-22
10641448 Daylighting sheet, daylighting panel and roll-up daylighting screen Kazunobu Ogawa, Hideki Miyata, Tatsuaki Inoue, Hiroshi Kojima 2020-05-05
10310322 Image source unit and display device 2019-06-04
10228588 Image source unit and display device 2019-03-12
10100992 Daylighting sheet, daylighting panel and roll-up daylighting screen Kazunobu Ogawa, Hideki Miyata, Tatsuaki Inoue, Hiroshi Kojima 2018-10-16
9708847 Daylighting sheet, daylighting panel and roll-up daylighting screen Kazunobu Ogawa, Hideki Miyata, Tatsuaki Inoue, Hiroshi Kojima 2017-07-18
9563004 Image source unit and image display unit Nobuo Naito 2017-02-07
9366403 Daylighting sheet, daylighting panel, roll-up daylighting screen and method of manufacturing daylighting sheet Kazunobu Ogawa, Hideki Miyata, Tatsuaki Inoue, Hiroshi Kojima 2016-06-14
9244204 Image source unit and image display unit Nobuo Naito 2016-01-26
8891169 Optical sheet and display device Tetsuya Sadahiro, Hiroyuki Amemiya, Nobuhiko Ichikawa 2014-11-18
8888303 Optical sheet controlling external light, display device and method for producing optical sheet 2014-11-18
8480242 Method for producing optical sheet, optical sheet and video display device Futoshi Osawa 2013-07-09
8449166 Image source unit and display device including the same 2013-05-28
8405910 Optical sheet, image source unit, display device, process for producing optical sheet, and method for manufacturing display device Takayuki Niijima 2013-03-26
8294342 Optical sheet and display Yousuke Ezaki, Yukihiro Makita, Takayuki Niijima 2012-10-23
8130446 Optical diffusing sheet, optical deflecting sheet, and transmission type screen Daijiro Kodama, Kei Kato 2012-03-06
8077395 Optical sheet, image source unit, display device, process for producing optical sheet, and method for manufacturing display device Takayuki Niijima 2011-12-13
7885003 Optical diffusing sheet, optical deflecting sheet, and transmission type screen Daijiro Kodama, Kei Kato 2011-02-08
7839488 Optical axis adjustment device and exposure apparatus using the same Yoshinori Tabata, Toshihide Ito, Takeshi Kawakami, Tsuyoshi Yamauchi 2010-11-23