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Inventor

Satoru Fujiwara

Inventor
Yao, JP

Overview

28→
Patents
1987–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 28 as inventor

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

LOC14primary
LOC1416%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
Y10TTechnical subjects covered by former us classification9%
F25BRefrigeration machines, plants or systems7%
H01RElectrically-conductive connections7%
B62JCycle saddles or seats5%
B62KCycles5%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines5%
H04MTelephonic communication5%
B29CShaping or joining of plastics4%
PatentTitleYear
9,253,577'Multi-coil unit, voice coil, and electro-acoustic transducer using the same'20169,103,484'Connection device'2015D0707204'Speaker'20148,698,043'Handle grip with heater'20148,481,889'Hand grip member with electric heater'20138,378,214'Harness connection member'20138,362,366'Circuit board, its manufacturing method, and joint box using circuit board'20138,107,650'Piezoelectric electroacoustic transducing device'20127,943,859'Circuit board, its manufacturing method, and joint box using circuit board'20117,629,730'Piezoelectric electroacoustic transducing device'2009D0598428'Speaker'20097,550,899'Piezoelectric electroacoustic transducing device'2009D0592643'Speaker'2009D0591265'Speaker'2009D0575270'Speaker'2008D0572238'Speaker'2008D0562804'Speaker'2008D0533813'Heater for handle grip of a motorcycle'2006D0529482'Speaker'2006D0519986'Speaker'20066,842,530'Electric acoustic converter having a rear surface terminal'20056,841,114'Molding method and apparatus for resin long body'20056,526,635'Cord clip'20036,438,248'Hand-free apparatus'20025,182,919'Oil recovery system for closed type centrifugal refrigerating machine'19934,671,081'Device for collecting lubricating oil in a turbo-refrigerator'19874,671,082'Evaporator for refrigerator'19874,669,279'Motor cooling apparatus for refrigerator'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2015Patents assigned to FUJIWARA SATORU (7)· patent assignee history
1987–1993Patents assigned to EBARA CORP (3)· patent assignee history
1987–2014Based in Tokyo, JP· patent location history
2002–2016Patents assigned to HOSIDEN CORP (17)· patent assignee history
2002–2015Based in Izumi, JP· patent location history
2003–2016Based in Yao, JP· patent location history
2005–2014Patents assigned to MITSUBISHI CABLE IND LTD (6)· patent assignee history
2009–2012Based in Osaka, JP· patent location history
2013Patents assigned to AMBO TSUGIO (2)· patent assignee history
2013Based in Kumagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOSIDEN CORP172002–2016
FUJIWARA SATORUself71987–2015
MITSUBISHI CABLE IND LTD62005–2014
EBARA CORP31987–1993
AMBO TSUGIO22013
Locations
LocationPatentsSpan
Yao, JP92003–2016
Tokyo, JP81987–2014
Izumi, JP52002–2015
Osaka, JP32009–2012
Kumagaya, JP12013