RT

Ryoichi Tsunori

IC Idemitsu Petrochemical Co.: 5 patents #66 of 578Top 15%
PC Prime Polymer Co.: 5 patents #3 of 116Top 3%
MC Mitsui Chemicals: 3 patents #648 of 2,279Top 30%
TC Toray Battery Separator Film Co.: 1 patents #26 of 59Top 45%
Overall (All Time): #418,267 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9771448 Olefin-based resin, method for producing same and propylene-based resin composition Yasushi YANAGIMOTO, Tomoaki Matsugi, Akihiko Iwashita, Tatsuya Nakamura, Keita Itakura 2017-09-26
9670346 Propylene-based resin composition Keita Itakura, Akiko ODAWARA, Satoru Kinouchi, Tateo Takashima, Tomoaki Matsugi +2 more 2017-06-06
8916644 Polypropylene resin composition for use in formation of microporous membrane Satoshi Tamura 2014-12-23
8901240 Polypropylene resin composition for use in formation of microporous membrane Satoshi Tamura, Keita Itakura, Satoshi Hashizume 2014-12-02
7968180 Extruded propylene-resin composite foam Minoru Sugawara, Yasuhiko Otsuki, Motoki Yamada 2011-06-28
7855239 Extruded propylene resin foam Minoru Sugawara, Yasuhiko Otsuki 2010-12-21
7732532 Multi-stage propylene polymer, process for producing the same, and propylene resin composition Yasuhiko Otsuki, Tsutomu Onodera, Shohei Ikeda, Masayuki Shinohara 2010-06-08
6737171 Propylenic random copolymer and composition comprising it, and film comprising the copolymer or composition Yasushi Seta, Satoshi Nakatsuka, Michihiro Sawada 2004-05-18
6649725 Propylenic copolymer, and its film Yasushi Seta, Satoshi Nakatsuka, Michihiro Sawada, Tokutaro Kimura, Yutaka Minami 2003-11-18
6420021 Propylenic copolymer, and its film Yasushi Seta, Satoshi Nakatsuka, Michihiro Sawada, Tokutaro Kimura, Yutaka Minami 2002-07-16
6150427 Foaming propylene copolymer, and foamed particles and foams thereof Toshimichi Ito, Yasushi Seta 2000-11-21
6130305 Propylenic copolymer and its film Yasushi Seta, Satoshi Nakatsuka 2000-10-10