Inventor

Masato Sakamoto

Inventor
Kawagoe, JP

Overview

28→
Patents
1991–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
C07DHeterocyclic compounds9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
G11BInformation storage based on relative movement between record carrier and transducer9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%
A61KPreparations for medical, dental or toiletry purposes3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
PatentTitleYear
10,847,379Etching method and etching apparatus202010,422,177Vehicular window regulator and inclination restraining mechanism201910,336,918Adhesive composition201910,280,298Highly saturated nitrile rubber composition and cross-linked rubber20199,683,067'Nitrile group-containing copolymer rubber, cross-linkable rubber composition, and cross-linked rubber'20179,163,136'Nitrile rubber composition and cross-linked rubber'20158,564,490'Antenna device and radar apparatus'20137,145,845'Optical disc player having a carriage control system relying upon a multiplied periodic signal and a tracking error signal'20067,084,222'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'20066,908,970'Process for producing hydrogenated product of cyclic olefin polymer prepared through ring-opening polymerization'20056,882,600'Carriage servo control system and information-recording medium in which program for carriage servo control is recorded'20056,819,638'Driving device for an optical storage medium'20046,815,516'Copolymer formed by ring-opening polymerization, product of hydrogenation of copolymer formed by ring-opening polymerization, and process for producing these'20046,789,909'Mirror device for vehicle'20046,674,270'Power cutoff device'20046,653,424'Norbornene open-ring polymers, products of hydrogenation thereof and processes for the production of both'20036,606,284'Gain controlling apparatus and method, information reproducing apparatus and method, and information recording apparatus and method'20036,595,670'Mirror assembly for vehicle'20036,550,923'Mirror surface angle adjusting device'20036,510,112'Drive apparatus for optical recording medium'20036,486,264'Process for producing hydrogenated ring-opening polymerization polymer of cycloolefin'20026,412,960'Mirror surface angle adjusting device and mirror surface angle detector for a vehicle'20026,357,885'Mirror surface angle adjusting device'20026,017,126'Rotatable door mirror'20005,990,106'Bicyclic amino group-substituted pyridonecarboxylic acid derivatives, esters thereof and salts thereof, and bicyclic amines useful as intermediates thereof'19995,185,338'Medicament for treating cerebral insufficiency diseases, novel 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof'19935,041,443'Medicament for treating cerebral insufficiency diseases, novel 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof'19915,021,421'2-(1-Piperazinyl)-4-phenylcycloalkanopyridine derivatives, processes for the production thereof, and pharmaceutical composition containing the same'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1999Patents assigned to DAINIPPON PHARMACEUTICAL CO (4)· patent assignee history
1991–1999Based in Toyonaka, JP· patent location history
2000–2003Patents assigned to TOKAI RIKA CO LTD (5)· patent assignee history
2000–2004Based in Aichi, JP· patent location history
2002–2019Patents assigned to ZEON CORP (9)· patent assignee history
2002–2005Based in Kawasaki, JP· patent location history
2003–2006Patents assigned to PIONEER CORP (6)· patent assignee history
2003–2004Patents assigned to PIONEER TOHOKU CORP (3)· patent assignee history
2003–2006Based in Kawagoe, JP· patent location history
2006–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZEON CORP92002–2019
PIONEER CORP62003–2006
TOKAI RIKA CO LTD52000–2003
DAINIPPON PHARMACEUTICAL CO41991–1999
PIONEER TOHOKU CORP32003–2004
Locations
LocationPatentsSpan
Kawagoe, JP52003–2006
Tokyo, JP42006–2019
Kawasaki, JP42002–2005
Aichi, JP42000–2004
Toyonaka, JP41991–1999