Inventor
YAMAMOTO HARUHISA
36 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO HARUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON ZEON CO
22 patentsUS4547615AOct 15, 1985
Process for producing conjugated diolefins
NIPPON ZEON CO68 citations96
US5055322AOct 8, 1991
Method of producing magnetic recording media
NIPPON ZEON CO22 citations92
US4595788AJun 17, 1986
Process for producing butadiene
NIPPON ZEON CO49 citations92
US4423281ADec 27, 1983
Process for producing conjugated diolefins
NIPPON ZEON CO43 citations91
US4272637AJun 9, 1981
Catalyst for oxidation of isobutylene
NIPPON ZEON CO30 citations91
US4155938AMay 22, 1979
Oxidation of olefins
NIPPON ZEON CO41 citations89
US4336409AJun 22, 1982
Process for producing conjugated diolefins
NIPPON ZEON CO39 citations87
US6652773B2Nov 25, 2003
High gel-content polymer dispersed in a high-boiling organic medium
NIPPON ZEON CO15 citations82
US6287723B1Sep 11, 2001
Alkaline secondary battery having an anode comprising a non ionic polymer binder
NIPPON ZEON CO18 citations82
US4186152AJan 29, 1980
Oxidation of olefins
NIPPON ZEON CO29 citations82
US4075244AFeb 21, 1978
Process for preparing methacrylic acid
NIPPON ZEON CO22 citations82
US3976688AAug 24, 1976
Process for preparing unsaturated carboxylic acids
NIPPON ZEON CO23 citations82
US4245118AJan 13, 1981
Oxidation of unsaturated aldehydes
NIPPON ZEON CO19 citations80
US5312849AMay 17, 1994
Process for preparation of rubber composition and rubber composition
NIPPON ZEON CO11 citations74
US4820433AApr 11, 1989
Magnetic powder for magnetic recording
NIPPON ZEON CO16 citations74
US4238359ADec 9, 1980
Process for preparing spherical shaped pelletized oxide catalysts comprising molybdenum and phosphorus
NIPPON ZEON CO9 citations73
US4209640AJun 24, 1980
Catalysts for the oxidation of unsaturated aldehydes
NIPPON ZEON CO18 citations70
US4564703AJan 14, 1986
Process for preparing methacrylic acid
NIPPON ZEON CO4 citations63
US4220802ASep 2, 1980
Process for the preparation of acrylic acid
NIPPON ZEON CO6 citations63
US4113770ASep 12, 1978
Process for preparing unsaturated carboxylic acids
NIPPON ZEON CO3 citations63
US5062982ANov 5, 1991
Magnetic powder for magnetic recording media
NIPPON ZEON CO2 citations56
US5062983ANov 5, 1991
Magnetic powder for magnetic recording media
NIPPON ZEON CO4 citations56
CANON KK
8 patentsUS5893813AApr 13, 1999
Speed reducer
CANON KK111 citations98
US4916529AApr 10, 1990
Imaging device utilizing solid-state image sensors combined with a beam-splitting prism
CANON KK63 citations95
US6025964AFeb 15, 2000
Optical apparatus
CANON KK13 citations74
US5731919AMar 24, 1998
Optical apparatus
CANON KK12 citations74
US5042913AAug 27, 1991
Electrical signal forming apparatus having image splitting prism
CANON KK10 citations74
US5959786ASep 28, 1999
Optical apparatus with power transmission mechanism
CANON KK8 citations72
US5860887AJan 19, 1999
Reduction gear apparatus
CANON KK2 citations63
US5940633AAug 17, 1999
Lens barrel
CANON KK3 citations61
ZEON CORP
4 patentsUS6756153B1Jun 29, 2004
Binder composition for electrode for lithium-ion secondary battery and utilization thereof
ZEON CORP61 citations96
US6881517B1Apr 19, 2005
Binder for electrode for lithium ion secondary battery, and utilization thereof
ZEON CORP53 citations94
US6656633B2Dec 2, 2003
Binder for electrode for lithium ion secondary battery, and utilization thereof
ZEON CORP41 citations92
US7052629B2May 30, 2006
Binder for battery, slurry for battery electrode, electrode for lithium secondary battery, and lithium secondary battery
ZEON CORP27 citations91