Inventor
TSUCHITANI MASATOSHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHITANI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARUZEN PETROCHEM CO LTD
11 patentsUS5736030AApr 7, 1998
Process for manufacturing fine particles of pitch with a high softening point
MARUZEN PETROCHEM CO LTD27 citations92
US4705618ANov 10, 1987
Process for the preparation of an intermediate pitch for manufacturing carbon products
MARUZEN PETROCHEM CO LTD30 citations92
US6350831B1Feb 26, 2002
Process for the polymerization of olefins using a catalyst containing a novel catalyst component
MARUZEN PETROCHEM CO LTD15 citations91
US5182011AJan 26, 1993
Process for preparing pitches
MARUZEN PETROCHEM CO LTD27 citations91
US6194344B1Feb 27, 2001
Process for preparing carbonaceous material carrying ultrafinely dispersed metal
MARUZEN PETROCHEM CO LTD23 citations89
US6569800B2May 27, 2003
Catalyst component for polymerization of olefins, polymerization catalyst and process of polymerization of olefins by using the same
MARUZEN PETROCHEM CO LTD10 citations72
US6323149B1Nov 27, 2001
Catalyst component and catalyst containing the component for polymerization of olefins
MARUZEN PETROCHEM CO LTD7 citations72
US5091072AFeb 25, 1992
Process for preparing pitches
MARUZEN PETROCHEM CO LTD18 citations70
US5240613AAug 31, 1993
Process for regenerating clogged filters
MARUZEN PETROCHEM CO LTD11 citations68
US4925547AMay 15, 1990
Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers
MARUZEN PETROCHEM CO LTD9 citations68
US4874502AOct 17, 1989
Method of purifying coal tars for use in the production of carbon products
MARUZEN PETROCHEM CO LTD6 citations61