Inventor
MASUDA YOSHIHIKO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CATALYTIC CHEM IND
16 patentsUS6809158B2Oct 26, 2004
Water-absorbing agent and process for producing the same
NIPPON CATALYTIC CHEM IND187 citations99
US5760080AJun 2, 1998
Absorbing agent, process of manufacturing same, and absorbent product containing same
NIPPON CATALYTIC CHEM IND102 citations99
US5610208AMar 11, 1997
Water-absorbent agent, method for production thereof, and water-absorbent composition
NIPPON CATALYTIC CHEM IND150 citations99
US4734478AMar 29, 1988
Water absorbing agent
NIPPON CATALYTIC CHEM IND535 citations99
US4286082AAug 25, 1981
Absorbent resin composition and process for producing same
NIPPON CATALYTIC CHEM IND694 citations99
US5574121ANov 12, 1996
Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate
NIPPON CATALYTIC CHEM IND142 citations97
US5422405AJun 6, 1995
Method for production of absorbent resin
NIPPON CATALYTIC CHEM IND119 citations97
US5478879ADec 26, 1995
Method for production of absorbent resin
NIPPON CATALYTIC CHEM IND82 citations96
US6992144B2Jan 31, 2006
Water-absorbent agent, method for production thereof, and water-absorbent composition
NIPPON CATALYTIC CHEM IND15 citations92
US6280120B1Aug 28, 2001
Adhesion preventing method and support body extracting method
NIPPON CATALYTIC CHEM IND23 citations92
US6180724B1Jan 30, 2001
Process for manufacturing an absorbing agent and absorbent material
NIPPON CATALYTIC CHEM IND23 citations92
US6054541AApr 25, 2000
Process of manufacturing precursor of an absorbing agent
NIPPON CATALYTIC CHEM IND17 citations92
US5866678AFeb 2, 1999
Absorbent and method for production of absorbent resin
NIPPON CATALYTIC CHEM IND37 citations92
USRE38444EFeb 24, 2004
Absorbing agent, process of manufacturing same, and absorbent product containing same
NIPPON CATALYTIC CHEM IND16 citations84
US7250459B2Jul 31, 2007
Absorbent resin composition
NIPPON CATALYTIC CHEM IND4 citations63
US6476155B1Nov 5, 2002
Method of producing a hydrophilic resin
NIPPON CATALYTIC CHEM IND1 citations52
TOYOTA MOTOR CO LTD
7 patentsUS6415753B1Jul 9, 2002
Variable valve apparatus of internal combustion engine and method of varying the open-close characteristic of an engine valve
TOYOTA MOTOR CO LTD24 citations92
US5713262AFeb 3, 1998
Engine piston having a recess defined in the lower surface of the head
TOYOTA MOTOR CO LTD28 citations92
US4497335AFeb 5, 1985
Control valve of exhaust gas recirculation apparatus
TOYOTA MOTOR CO LTD32 citations92
US6561150B1May 13, 2003
Engine valve characteristic controller
TOYOTA MOTOR CO LTD14 citations84
US4349003ASep 14, 1982
Exhaust gas recirculation control valve
TOYOTA MOTOR CO LTD11 citations74
US6257590B1Jul 10, 2001
Sealing structure and method of mounting piston ring structural body for use in the sealing stucture
TOYOTA MOTOR CO LTD7 citations73
US6517601B1Feb 11, 2003
Three-dimensional cam and production method thereof
TOYOTA MOTOR CO LTD3 citations62