Inventor
MIYAKE SHIGENOBU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “MIYAKE SHIGENOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
8 patentsUS5869723AFeb 9, 1999
Ionic compound and olefin polymerization catalyst containing the same
SHOWA DENKO KK121 citations96
US5329031AJul 12, 1994
Metallocene and process for producing polyolefin using the same
SHOWA DENKO KK69 citations95
US5349032ASep 20, 1994
Metallocene and process for producing polyolefin using the same
SHOWA DENKO KK25 citations92
US5208302AMay 4, 1993
Catalyst, process for preparation of same and process for polymerization of olefins using same
SHOWA DENKO KK29 citations91
US5218064AJun 8, 1993
Process for preparing narrow molecular weight distribution syndiotactic polymers or copolymers of unsaturated carboxylic acid esters
SHOWA DENKO KK19 citations82
US5132369AJul 21, 1992
Process for preparing narrow molecular weight distribution syndiotactic block copolymers of unsaturated carboxylic acid esters with α-olefins
SHOWA DENKO KK12 citations73
US5041403AAug 20, 1991
Catalyst process for preparation of same, and process for polymerization of olefins using same
SHOWA DENKO KK19 citations72
US5049533ASep 17, 1991
Catalyst, process for preparation of same, and process for polymerization of olefins using same
SHOWA DENKO KK4 citations61
JAPAN POLYOLEFINS CO LTD
2 patentsUS5770664AJun 23, 1998
Catalyst component for producing polyolefin, catalyst for producing polyolefin comprising the catalyst component, and process for producing polyolefin in the presence of the catalyst
JAPAN POLYOLEFINS CO LTD152 citations95
US6303714B1Oct 16, 2001
Catalyst component for olefin polymerization catalyst for olefin polymerization, and process for preparing polyolefin
JAPAN POLYOLEFINS CO LTD6 citations58