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Inventor

Koichiro Oku

Inventor
Tokyo, JP

Overview

7→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%
A61BDiagnosis11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
G05FSystems for regulating electric or magnetic variables11%
H02HEmergency protective circuit arrangements11%
LOC1211%
LOC2411%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
D0917355Caliper body of a disk brake for a vehicle20218,376,612'Mobile X-ray apparatus'20138,264,280'Load driving circuit'2012D0657875'Mobile x-ray apparatus'20126,518,723'H-bridge motor driving circuit'20036,433,502'Spindle motor driver circuit'20025,828,208'Voltage regulator usable without discrimination between input and output terminals'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to NEC CORP (3)· patent assignee history
1998–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to OKU KOICHIRO (3)· patent assignee history
2012–2013Patents assigned to HITACHI MEDICAL CORP (2)· patent assignee history
2012–2013Patents assigned to KITAMURA SHINYA (2)· patent assignee history
2012Patents assigned to NINOMIYA ATSUSHI (1)· patent assignee history
2012Based in Kanagawa, JP· patent location history
2021Based in Tomi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP31998–2003
OKU KOICHIROself32012–2013
HITACHI MEDICAL CORP22012–2013
KITAMURA SHINYA22012–2013
NINOMIYA ATSUSHI12012
Locations
LocationPatentsSpan
Tokyo, JP51998–2013
Tomi, JP12021
Kanagawa, JP12012