Inventor
SAKAMOTO MASATO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO MASATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZEON CORP
8 patentsUS6486264B1Nov 26, 2002
Process for producing hydrogenated ring-opening polymerization polymer of cycloolefin
ZEON CORP62 citations95
US6908970B2Jun 21, 2005
Process for producing hydrogenated product of cyclic olefin polymer prepared through ring-opening polymerization
ZEON CORP25 citations91
US6653424B1Nov 25, 2003
Norbornene open-ring polymers, products of hydrogenation thereof and processes for the production of both
ZEON CORP27 citations91
US7084222B2Aug 1, 2006
Ruthenium complexes, process for preparation thereof, and processes for producing open-ring polymer of cycloolefins and hydrogenation products thereof by using the complex as catalyst
ZEON CORP7 citations71
US10336918B2Jul 2, 2019
Adhesive composition
ZEON CORP1 citations61
US10988609B2Apr 27, 2021
Nitrile group-containing highly saturated copolymer rubber composition
ZEON CORP0 citations59
US6815516B2Nov 9, 2004
Copolymer formed by ring-opening polymerization, product of hydrogenation of copolymer formed by ring-opening polymerization, and process for producing these
ZEON CORP1 citations52
US9683067B2Jun 20, 2017
Nitrile group-containing copolymer rubber, cross-linkable rubber composition, and cross-linked rubber
ZEON CORP1 citations50
PIONEER CORP
6 patentsUS6674270B2Jan 6, 2004
Power cutoff device
PIONEER CORP27 citations92
US6510112B1Jan 21, 2003
Drive apparatus for optical recording medium
PIONEER CORP30 citations89
US6606284B1Aug 12, 2003
Gain controlling apparatus and method, information reproducing apparatus and method, and information recording apparatus and method
PIONEER CORP13 citations81
US6819638B1Nov 16, 2004
Driving device for an optical storage medium
PIONEER CORP10 citations72
US7145845B2Dec 5, 2006
Optical disc player having a carriage control system relying upon a multiplied periodic signal and a tracking error signal
PIONEER CORP2 citations63
US6882600B2Apr 19, 2005
Carriage servo control system and information-recording medium in which program for carriage servo control is recorded
PIONEER CORP1 citations52
DAINIPPON PHARMACEUTICAL CO
4 patentsUS5021421AJun 4, 1991
2-(1-Piperazinyl)-4-phenylcycloalkanopyridine derivatives, processes for the production thereof, and pharmaceutical composition containing the same
DAINIPPON PHARMACEUTICAL CO56 citations92
US5185338AFeb 9, 1993
Medicament for treating cerebral insufficiency diseases, novel 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof
DAINIPPON PHARMACEUTICAL CO0 citations51
US5041443AAug 20, 1991
Medicament for treating cerebral insufficiency diseases, novel 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof
DAINIPPON PHARMACEUTICAL CO0 citations51
US5990106ANov 23, 1999
Bicyclic amino group-substituted pyridonecarboxylic acid derivatives, esters thereof and salts thereof, and bicyclic amines useful as intermediates thereof
DAINIPPON PHARMACEUTICAL CO0 citations50
TOKAI RIKA CO LTD
4 patentsUS6412960B1Jul 2, 2002
Mirror surface angle adjusting device and mirror surface angle detector for a vehicle
TOKAI RIKA CO LTD14 citations84
US6550923B2Apr 22, 2003
Mirror surface angle adjusting device
TOKAI RIKA CO LTD9 citations73
US6357885B2Mar 19, 2002
Mirror surface angle adjusting device
TOKAI RIKA CO LTD10 citations73
US6595670B2Jul 22, 2003
Mirror assembly for vehicle
TOKAI RIKA CO LTD7 citations70