Masahide Murata
26Patents
10h-index
45Co-inventors
75Inventor score
Filing activity: Dec 17, 1986 → Oct 24, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5240894A | Method for making and using a supported metallocene catalyst system | Emerging Cross-Sectional Technologies | 164 | Expired |
| US5223465A | Olefin polymerization catalyst | Chemistry; Metallurgy | 67 | Expired |
| US5541350A | Amido silyldiyl bridged catalyst components, methods of making and using | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5177043A | .alpha.-olefin polymerization catalyst component | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5554704A | Controlled particle size polyolefins from silica supported prepolymerized matallocene catalyst | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5061667A | Catalytic component for olefin polymerization | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5747595A | Catalyst for the polymerization of olefines and processes for the polymerization of olefines using the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4814312A | Method for production of catalyst component for olefin polymerization | Chemistry; Metallurgy | 11 | Expired |
| US4942148A | Catalyst component for olefin polymerization | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4950630A | Method for production of catalyst component for olefin polymerization | Chemistry; Metallurgy | 10 | Expired |
| US5059658A | Method of producing modified polypropylene | Chemistry; Metallurgy | 10 | Expired |
| US5486585A | Amidosilyldiyl bridged catalysts and method of polymerization using said catalysts. | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4754006A | Process for producing catalyst ingredient for use in olefin polymerization | Chemistry; Metallurgy | 9 | Expired |
| US4814313A | Method of production of catalyst carrier for polymerization of olefin | Chemistry; Metallurgy | 8 | Expired |
| US6653430B1 | Butadiene polymers and process for producing conjugated diene polymers | Chemistry; Metallurgy | 7 | Expired |
| US4960743A | Method for production of catalyst carrier for polymerization of olefin | Chemistry; Metallurgy | 6 | Expired |
| US4814311A | Method for production of catalyst component for olefin polymerization (P-1292) | Chemistry; Metallurgy | 5 | Expired |
| US5132261A | Olefin polymerization catalyst component | Chemistry; Metallurgy | 5 | Expired |
| US5130283A | Olefin polymerization catalyst component | Chemistry; Metallurgy | 5 | Expired |
| US7026406B1 | Syndiotactic styrene polymers and process for the production thereof | Chemistry; Metallurgy | 4 | Expired |
| US9751961B2 | Catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefin (co)polymer using the same | Chemistry; Metallurgy | 4 | Active |
| US6787617B1 | Process for producing olefin living polymer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4737481A | Process for producing catalyst ingredient for use in olefin polymerization | Chemistry; Metallurgy | 3 | Expired |
| US5114896A | Process for the production of a catalytic component for the polymerization of olefins | Chemistry; Metallurgy | 1 | Expired |
| US6455649B1 | Catalyst for producing living olefin polymer and process for producing the polymer | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.