HH

Hisakatsu Hama

SC Sumitomo Chemical: 16 patents #231 of 4,033Top 6%
ZC Zs Elastomers Co.: 4 patents #1 of 9Top 15%
ZE Zeon: 3 patents #220 of 734Top 30%
Overall (All Time): #287,509 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12139572 Conjugated diene copolymer and method for manufacturing conjugated diene copolymer Hiroshi Aoshima, Jesus RODRIGUEZ CASTANON 2024-11-12
11873364 Method for producing conjugated diene rubber Takuro SAKURAI, Takashi Iizuka, Mana Fujii 2024-01-16
11566094 Modified conjugated diene rubber Takuro SAKURAI, Takashi Iizuka, Mana Fujii 2023-01-31
11530287 Conjugated-diene-based rubber Takuro SAKURAI, Takashi Iizuka, Mana Fujii 2022-12-20
9238726 Molded article comprising polypropylene resin composition Natsuko Sato 2016-01-19
9045622 Modified conjugated diene-based polymer, polymer composition, and process for producing modified conjugated diene-based polymer 2015-06-02
9023937 Method for producing a rubber composition Takuya Sudo 2015-05-05
8895644 Resin composition and lighting fixture components made of the same Kenji Atarashi 2014-11-25
8809449 Modified conjugated diene-based polymer, polymer composition, and process for producing modified conjugated diene-based polymer 2014-08-19
8664301 Method for producing a thermoplastic polymer material 2014-03-04
8598274 Method for producing modified conjugated diene-based polymer, and method for producing vulcanized polymer Naoaki Maeda 2013-12-03
8461279 Method for producing devolatilized polyolefin and molded article of polyolefin Tetsuro Dobashi 2013-06-11
8188189 Resin composition Kenji Sogoh, Katsuhiro Yamada, Masaaki Tsutsubuchi 2012-05-29
7807760 Process for producing ethylene-α-olefin copolymer Jun Kawashima 2010-10-05
7504462 Process for producing olefin polymer 2009-03-17
7482409 Process for producing ethylene-α-olefin-polyene copolymer Hidetake Hozumi 2009-01-27