SH

Shigeki Hamamoto

SC Sumitomo Seika Chemicals Co.: 18 patents #4 of 365Top 2%
AS Advanced Softmaterials: 7 patents #6 of 31Top 20%
UA Umg Abs: 2 patents #8 of 33Top 25%
TC Taki Chemical Co.: 1 patents #20 of 65Top 35%
📍 Kasai, JP: #403 of 5,842 inventorsTop 7%
Overall (All Time): #222,407 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10233320 Thermoplastic resin composition and resin molded article Hiroshi Tanigawa, Koji Hirata, Hirotoshi Saitou 2019-03-19
9938382 Method for producing pseudopolyrotaxane Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Changming Zhao 2018-04-10
9475908 Method for producing pseudopolyrotaxane aqueous dispersion Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Changming Zhao 2016-10-25
9409999 Production method for hydrophilic modified polyrotaxane Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Yuki Hayashi, Minoru Iwata 2016-08-09
9266972 Polyrotaxane composition Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Changming Zhao, Minoru Iwata +1 more 2016-02-23
9238696 Production method for powdered hydrophilic modified polyrotaxane Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Yuki Hayashi, Minoru Iwata 2016-01-19
9205104 Hydrophilic modified polyrotaxane composition Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Changming Zhao, Minoru Iwata +1 more 2015-12-08
9187580 Resin particle having many recesses on the surface thereof Hirotsugu Kawata, Kiyoshi Yamaguchi, Masayoshi Okubo 2015-11-17
9150679 Saponification product of vinyl ester/ethylenically unsaturated carboxylic acid ester copolymer and process for producing the same Tomoaki Yamasaki, Yuji Kinpara 2015-10-06
9120901 Method for producing pseudopolyrotaxane Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Changming Zhao 2015-09-01
9068051 Method for producing refined polyrotaxane Tomoaki Yamasaki, Shinya Okazaki, Hiroki Okazaki, Changming Zhao 2015-06-30
8609754 Flame-retardant thermoplastic resin composition and molded article thereof Yoshitaka Naito, Hirotoshi SAITO, Hiroshi Tanigawa, Joichi Watanabe, Koichi Tezuka +1 more 2013-12-17
7390865 Process for producing water-soluble carboxylated polymer Masatoyo Yoshinaka 2008-06-24
6979722 Process for production of alkyllene oxide polymers Nobutaka Fujimoto, Makoto Katou, Kazuyuki Miura 2005-12-27
6933356 Particles of carboxylated polymer Tomoki Kawakita, Masatoyo Yoshinaka 2005-08-23
6869994 Carboxylated polymer composition Masato Fujikake, Tomoki Kawakita, Masatoyo Yoshinaka 2005-03-22
6599979 Carboxylated polymer composition Masato Fujikake, Shinji Kobayashi, Mitsutaka Tabata, Tomoki Kawakita 2003-07-29
6235828 Aqueous polymerization of acrylamide in the presence of polyvinylpyrrolidone Masato Fujikake, Nobutaka Fujimoto, Kimihiko Kondo, Morio Nakamura, Takao Okada 2001-05-22
6084032 Carboxylated polymer composition Masato Fujikake, Shinji Kobayashi, Mitsutaka Tabata, Tomoki Kawakita 2000-07-04
5629395 Process for producing cross-linked polymer containing carboxyl group Masato Fujikake, Shinji Kobayashi, Mitsutaka Tabata, Morio Nakamura 1997-05-13