RT

Ryoji Tsukamoto

TL Teijin Limited: 12 patents #63 of 1,631Top 4%
TL Teijin Fibers Limited: 1 patents #22 of 77Top 30%
TC Teijin Frontier Co.: 1 patents #12 of 41Top 30%
📍 Iwakuni, JP: #36 of 421 inventorsTop 9%
Overall (All Time): #346,245 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10550241 Polytrimethylene terephthalate composition, polyester fiber, and methods for producing the same 2020-02-04
7544762 Catalyst for preparation of polyester and process for preparing polyester using the catalyst Tomoyoshi Yamamoto, Hiroki Nagano, Minoru Suzuki, Hiroshi Toyao, Tomoyuki Kishino +2 more 2009-06-09
7462682 Orthochromatic polyester resin composition and molding product thereof 2008-12-09
7335719 Polyester based on poly(trimethylene terephthalate) 2008-02-26
7189797 Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product Nobuo Minobe, Tomoyoshi Yamamoto, Tomoyuki Kishino, Kenichi Ishihara 2007-03-13
6740402 Polyester fiber 2004-05-25
6525165 Trimethylene-2, 6-naphthalene dicarboxylate (co)polymer film, quaternary phosphonium sulfonate copolymer and compositions thereof Takafumi Kudo, Masahiko Kosuge, Tomokatsu Ura, Hideshi Kurihara, Shinichi Kawai +4 more 2003-02-25
6521552 Water vapor-permeable, waterproof fabric Hiroshi Honna, Makoto Yoshida, Michikage Matsui 2003-02-18
6372343 Crimped polyester fiber and fibrous structure comprising the same Toshihiro Yamada, Mikio Tashiro, Kenji Baba 2002-04-16
6177192 Polyethylene naphthalate fiber Makoto Asano, Toshimasa Kuroda, Toshihiro Santa 2001-01-23
6124043 Biaxially oriented film Seiji Ito, Mitsuru Teramoto, Shinya Watanabe, Koji Furuya, Shinichi Kawai +1 more 2000-09-26
6048627 Biaxially oriented polyethylene naphthalate copolymer film Mitsuru Teramoto, Seiji Ito, Masahiko Kosuge 2000-04-11
5876851 Film from polycarbonate, polyester to be laminated on metal Shunichi Matsumura, Masaaki Tsukioka, Hiroo Inata, Seiji Itoh 1999-03-02
5451359 Process for producing high molecular weight polyester fibers Kazuo Yahata 1995-09-19