TS

Takashi Sumitomo

IC Idemitsu Kosan Co.: 16 patents #82 of 1,237Top 7%
IC Idemitsu Petrochemical Co.: 5 patents #66 of 578Top 15%
KC Kuraray Co.: 2 patents #662 of 1,827Top 40%
Overall (All Time): #211,861 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6639038 Crystalline polypropylene and its moldings and films Itaru Kuramoto, Yutaka Obata, Tsuyoshi Ota, Toshio Isozaki, Junichi Amano 2003-10-28
6201090 Propylene/ethylene block copolymer Sueto Miyazaki, Tsuyoshi Ota, Kazuo Sato 2001-03-13
6093768 Syndiotactic styrene resin, thermoplastic resin and rubber Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 2000-07-25
6087435 Composition of styrene resin, thermoplastic resin and rubber particles Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 2000-07-11
6051655 Styrene-based resin composition with thermoplastic resin Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 2000-04-18
6046275 Styrene resin with rubber polymer particles Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 2000-04-04
6043307 Styrene-based resin composition Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 2000-03-28
6013726 Composition of styrene resin, thermoplastic resin and rubber Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 2000-01-11
6008293 Syndiotactic polystyrene and polycarbonate resin compositions Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 1999-12-28
5990217 Styrene based resin composition Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 1999-11-23
5985973 Polypropylene-based resins and polypropylene-based resin compositions Masaru Nakagawa, Masatoshi Toda, Yutaka Kobayashi, Motoki Yamada 1999-11-16
5891951 Styrene-based resin composition Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 1999-04-06
5395890 Styrene-based resin composition Akikazu Nakano, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto +1 more 1995-03-07
5346950 Resin composition Taichi Negi, Akira Mochizuki, Shiro Nagata, Komei Yamasaki, Keisuke Funaki 1994-09-13
5322869 Styrene-based resin composition and process for production of moldings Komei Yamasaki, Toshikazu Ijitsu, Hiroshi Yamada, Toshihiro Furusawa 1994-06-21
5270353 Resin composition Akikazu Nakano, Komei Yamasaki, Keisuke Funaki 1993-12-14
5166238 Styrene-based resin composition Akikazu Nakano, Toshihiro Furusawa, Toshikazu Ijitsu, Masakazu Suzuki, Nobuhide Ishihara +4 more 1992-11-24
5109068 Styrene-based polymer composition, stretched molding thereof and process for producing the same Komei Yamasaki, Keisuke Funaki, Akikazu Nakano 1992-04-28
5089353 Multi-layer material having gas barrier properties Taichi Negi, Akira Mochizuki, Shiro Nagata, Komei Yamasaki, Keisuke Funaki 1992-02-18
5034441 Styrene-based resin composition and process for producing molding products thereof Akikazu Nakano 1991-07-23
4937272 Expanded thermoplastic resinous materials and process for production thereof 1990-06-26