Inventor
UEHARA YUMITO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “UEHARA YUMITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM IND
8 patentsUS4978722ADec 18, 1990
Method for producing a propylene-α-olefin block copolymer
MITSUBISHI CHEM IND25 citations88
US5547722AAug 20, 1996
Ethylene polymer and fuel tank comprising the same
MITSUBISHI CHEM IND16 citations72
US4808667AFeb 28, 1989
Method for producing an α-olefin block copolymer
MITSUBISHI CHEM IND15 citations72
US4534953AAug 13, 1985
Process for preparing solid titanium trichloride useful for the polymerization of an α-olefin
MITSUBISHI CHEM IND9 citations72
US4258161AMar 24, 1981
Process for polymerizing propylene
MITSUBISHI CHEM IND9 citations72
US4492787AJan 8, 1985
Process for continuously producing propylene-ethylene block copolymer
MITSUBISHI CHEM IND16 citations70
US4357452ANov 2, 1982
Process for polymerizing propylene
MITSUBISHI CHEM IND4 citations61
US5428110AJun 27, 1995
Process for producing propylene copolymer
MITSUBISHI CHEM IND2 citations55
MITSUBISHI CHEM CORP
5 patentsUS5973084AOct 26, 1999
Method for polymerizing olefins using a novel catalyst
MITSUBISHI CHEM CORP52 citations95
US5928982AJul 27, 1999
Catalyst for polymerizing an olefin and method for polymerizing the olefin
MITSUBISHI CHEM CORP46 citations95
US6444763B1Sep 3, 2002
Polymerization of olefins
MITSUBISHI CHEM CORP25 citations91
US6048817AApr 11, 2000
Polymerization of olefins
MITSUBISHI CHEM CORP28 citations91
US6448356B1Sep 10, 2002
Ethylene-α-olefin copolymer
MITSUBISHI CHEM CORP0 citations40