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Inventor

Osamu Kitazawa

Inventor
Kanagawa, JP

Overview

17→
Patents
1987–2020
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer16%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables14%
G03GElectrography8%
H04NPictorial communication, e.g. television8%
B60LPropulsion of electrically-propelled vehicles5%
G02BOptical elements, systems or apparatus5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
10,625,609Power control unit20209,109,985'Malfunction detecting device and malfunction detecting method for cooling device'20158,854,706'Auto document feeding device'20148,203,767'Auto document feeding device'20128,199,383'Auto document feeding device and image scanning device'20127,828,292'Sheet conveying device and image forming apparatus'20107,500,670'Sheet conveying device and image forming apparatus'20097,128,459'Light-guide plate and method for manufacturing the same'20066,896,386'Surface emitting device'20056,330,423'Image forming apparatus'20015,208,791'System for recovering a CD in a CD player having a magazine containing a plurality of disks'19935,164,929'Stopper for trays in a magazine of a CD player'19925,145,039'Damper filled with oil'19925,136,563'Magazine holder in a CD player'19925,078,380'Apparatus for feeding sheet material'19925,077,717'System for detecting a CD on a tray in a compact disk player having a magazine containing a plurality of disks'19914,646,194'PG yoke position detecting apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Based in Tokyo, JP· patent location history
1991–1993Patents assigned to PIONEER ELECTRONIC CORP (5)· patent assignee history
1991–1993Based in Saitama, JP· patent location history
1992–2014Patents assigned to TOSHIBA KK (6)· patent assignee history
2001–2014Patents assigned to TOSHIBA TEC KK (6)· patent assignee history
2005–2006Based in Fukushima, JP· patent location history
2009–2014Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to KITAZAWA OSAMU (4)· patent assignee history
2012–2014Patents assigned to IINO SEIJI (3)· patent assignee history
2015–2020Based in Okazaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK61992–2014
TOSHIBA TEC KK62001–2014
PIONEER ELECTRONIC CORP51991–1993
KITAZAWA OSAMUself42012–2015
IINO SEIJI32012–2014
Locations
LocationPatentsSpan
Kanagawa, JP52009–2014
Saitama, JP51991–1993
Okazaki, JP22015–2020
Fukushima, JP22005–2006
Tokyo, JP21987–1992