KK

Keizo Kawahara

TK Toyo Boseki Kabushiki Kaisha: 9 patents #36 of 1,085Top 4%
📍 Toyohashi, JP: #144 of 1,141 inventorsTop 15%
Overall (All Time): #567,669 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9931822 Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheet Katsuya Ito, Kazutake Okamoto, Hideki Shimizu, Hiroshi Nagano, Mitsuo Inoue +1 more 2018-04-03
8314203 Polyimide film Masayuki Tsutsumi, Satoshi Maeda, Takefumi Yoshida, Kazutake Okamoto, Morio Morino +6 more 2012-11-20
8167600 Apparatus for producing polymer film and process for producing polymer film Shinji Fujita, Shoichi Uemura, Masaharu Hiki, Youichiro Nakagawa, Kiyoshi Taniguchi +1 more 2012-05-01
7544414 Oriented syndiotactic polystyrene-base film Masayuki Tsutsumi, Hisato Kobayashi, Shigeto Yoshida, Shinsuke Yamaguchi, Kazutake Okamoto +6 more 2009-06-09
6558870 Water-washable photosensitive flexo plate and printing plate Yasuyuki Okazaki, Hiroshi Satomi, Tohru Wada 2003-05-06
5424172 Photosensitive resin composition Masaru Nanpei, Akira Tomita, Toshihiko Kajima 1995-06-13
5372913 Photosensitive resin composition Masaru Nanpei, Akira Tomita, Toshihiko Kajima 1994-12-13
5124736 Process and apparatus for developing photopolymer plates Katsumasa Yamamoto, Kyoichi Mizuno, Kosaku Onodera, Masaru Nanpei 1992-06-23
4946752 Flexographic cured printing plate comprising a chlorinated polymer and a hydrophilic polymer Akira Tomita, Toshihiko Kajima, Hiroshi Satomi 1990-08-07