KW

Kazuki Wakamatsu

SC Sumitomo Chemical: 37 patents #36 of 4,033Top 1%
📍 Niihama, JP: #11 of 473 inventorsTop 3%
Overall (All Time): #90,908 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
7858708 Propylene-ethylene-butene block copolymer and molded article thereof Hideki Oshima, Takashi Sanada 2010-12-28
7465772 Apparatus for continuous polymerization of olefin, method for transferring a polymer powder, and method for continuous polymerization of olefin Kazuyuki Takemura, Yoichi Konno 2008-12-16
7282537 Propylene-based polymer, polypropylene resin composition, and injection molded article Susumu Kanzaki 2007-10-16
6835791 Stretched polypropylene film Takeshi Ebara 2004-12-28
6777497 Polypropylene-based resin composition, process for producing the same and injection molded article Susumu Kanzaki, Mitsuji Tsuji 2004-08-17
6710144 Process for producing olefin polymer Masashi Hamba, Tomoaki Gotou 2004-03-23
6645901 Prepolymerization catalyst for use in gas phase polymerization of olefins and process for producing the same Tomoaki Goto, Shinichi Kumamoto 2003-11-11
6613850 Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particles Hideki Sato, Hiroaki Katayama 2003-09-02
6573332 Propylene-based copolymer, process for producing the same and film comprising the same Takanori Kume, Shigeki Kishiro 2003-06-03
6451936 Polypropylene random copolymer and film thereof Hajime Sadatoshi, Seiichiro Ima, Jiro Mori, Eisuke Shiratani 2002-09-17
6337377 Process for producing olefin polymers, olefin-polymerizing catalyst and polyproylene for biaxially oriented film produced with said catalyst Takeshi Ebara, Koji Mizunuma, Toshio Sasaki, Junichi Kimura, Yoichi Obata 2002-01-08
6225414 Propylene block copolymer Takanori Kume, Eisuke Shiratani 2001-05-01
6184319 Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymer Hideki Sato, Hiroaki Katayama, Hiroyuki Shiraishi 2001-02-06
6127303 Process for producing olefin polymers, olefin-polymerizing catalyst and polypropylene for biaxially oriented film produced with said catalyst Takeshi Ebara, Koji Mizunuma, Toshio Sasaki, Junichi Kimura, Yoichi Obata 2000-10-03
6117946 Propylene block copolymer Takanori Kume, Eisuke Shiratani 2000-09-12
6110986 Propylene-based polymer composition and foamed article thereof Hiroshi Nozawa, Tatsuhiro Nagamatsu 2000-08-29
6103841 .alpha.-olefin polymers, .alpha.-olefin-polymerizing catalyst and process for producing .alpha.-olefin polymers Takeshi Ebara, Koji Mizunuma, Toshio Sasaki, Junichi Kimura, Yoichi Obata 2000-08-15
6057413 Propylene-ethylene random copolymer film Seiichiro Ima, Shigeki Kishiro 2000-05-02
6001293 Process for producing polypropylene laminated film Junichi Kimura, Makoto Satoh, Yoichi Obata, Minoru Takane 1999-12-14
5773129 Polypropylene laminated film Junichi Kimura, Makoto Satoh, Yoichi Obata, Minoru Takane 1998-06-30
5654372 Polypropylene composition and the film thereof Hajime Sadatoshi, Seiichiro Ima, Jiro Mori, Eisuke Shiratani 1997-08-05
5486415 Polypropylene laminate film Junichi Kimura, Masahito Usui, Makoto Satoh 1996-01-23
5473021 Process for producing ethylene-propylene block copolymer Hiroyuki Koura, Takeshi Ebara, Shozo Kawamata, Yoshizumi Sasaki 1995-12-05
5470900 Powder molding process using a thermoplastic elastomer powder Toshio Sasaki, Takeshi Ebara, Toshio Igarashi, Masayuki Tatsumi 1995-11-28
5449738 Process for producing ethylene-propylene block copolymer Hiroyuki Koura, Takeshi Ebara, Shouzou Kawamata, Yoshizumi Sasaki 1995-09-12