Inventor
HAMA HISAKATSU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HAMA HISAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
5 patentsUS9238726B2Jan 19, 2016
Molded article comprising polypropylene resin composition
SUMITOMO CHEMICAL CO1 citations51
US9045622B2Jun 2, 2015
Modified conjugated diene-based polymer, polymer composition, and process for producing modified conjugated diene-based polymer
SUMITOMO CHEMICAL CO0 citations49
US7482409B2Jan 27, 2009
Process for producing ethylene-α-olefin-polyene copolymer
SUMITOMO CHEMICAL CO0 citations40
US7807760B2Oct 5, 2010
Process for producing ethylene-α-olefin copolymer
SUMITOMO CHEMICAL CO0 citations39
US7504462B2Mar 17, 2009
Process for producing olefin polymer
SUMITOMO CHEMICAL CO0 citations39
ZEON CORP
3 patentsHAMA HISAKATSU
3 patentsUS8809449B2Aug 19, 2014
Modified conjugated diene-based polymer, polymer composition, and process for producing modified conjugated diene-based polymer
HAMA HISAKATSU0 citations47
US8664301B2Mar 4, 2014
Method for producing a thermoplastic polymer material
HAMA HISAKATSU1 citations47
US8461279B2Jun 11, 2013
Method for producing devolatilized polyolefin and molded article of polyolefin
HAMA HISAKATSU0 citations42