Inventor
YAMAMOTO SHIGEHARU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO SHIGEHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARUZEN PETROCHEM CO LTD
7 patentsUS6350831B1Feb 26, 2002
Process for the polymerization of olefins using a catalyst containing a novel catalyst component
MARUZEN PETROCHEM CO LTD15 citations91
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
US6627714B2Sep 30, 2003
Method for producing an olefin type copolymer having a cyclic structure
MARUZEN PETROCHEM CO LTD10 citations71
US6743863B2Jun 1, 2004
Resin composition comprising ethylene-based polymers and process for its production
MARUZEN PETROCHEM CO LTD6 citations60
US6455647B1Sep 24, 2002
Solid catalyst for olefin polymerization and process for producing olefin polymer with the same
MARUZEN PETROCHEM CO LTD4 citations59
US6368995B1Apr 9, 2002
Solid catalysts for the polymerization of olefins and process for the production of olefin polymers therewith
MARUZEN PETROCHEM CO LTD0 citations38
AISIN SEIKI
3 patentsIWATSU ELECTRIC CO LTD
3 patentsUS5907098AMay 25, 1999
Method and apparatus for detecting a defect of an object to be measured
IWATSU ELECTRIC CO LTD14 citations81
US5696324ADec 9, 1997
Method and apparatus for predicting the life of an object to be measured using longitudinal waves
IWATSU ELECTRIC CO LTD16 citations81
US5777228AJul 7, 1998
Method and apparatus for measuring change in state of object to be measured using flexural and torsional vibrations
IWATSU ELECTRIC CO LTD13 citations73