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Inventor

Masato Kawashima

Inventor
Kawasaki, JP

Overview

17→
Patents
1988–2007
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.

G03Gprimary
G03GElectrography52%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables19%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
H01RElectrically-conductive connections5%
H10NElectric solid-state devices not otherwise provided for5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
7,210,950'Connector for memory card'20076,513,214'Method of producing plural device chips from a thin plate of a pyroelectric material'20036,399,947'Infrared ray receiving element and infrared ray sensor using the same'20025,845,188'Image forming device'19985,745,825'Color image forming device'19985,615,001'Multicolor image forming apparatus'19975,543,903'Heat roller type toner image fixing device having cleaning roller'19965,541,714'Developer cartridge and image forming apparatus using the same'19965,513,840'Sheet paper feeder for two-sided recording'19965,450,178'Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus'19955,432,592'Developer cartridge and image forming apparatus using the same'1995D0356107'Developing cartridge for copier'19955,068,693'Sheet path sensor provided in an electrophotographic image forming apparatus'19914,969,641'Media receiving unit'19904,839,694'Printing apparatus'19894,791,448'Heat roller fixing device for an electrophotographic printing apparatus'19884,770,405'Media receiving unit'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to FUJITSU LTD (14)· patent assignee history
1988–1998Based in Kawasaki, JP· patent location history
2002–2007Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (3)· patent assignee history
2002–2003Based in Osaka, JP· patent location history
2007Based in Tsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD141988–1998
MATSUSHITA ELECTRIC WORKS LTD32002–2007
Locations
LocationPatentsSpan
Kawasaki, JP141988–1998
Osaka, JP22002–2003
Tsu, JP12007