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Inventor

Kenichi Terai

Inventor
Osaka, JP

Overview

24→
Patents
1978–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 24 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers28%
G10KSound-producing devices25%
H04SStereophonic systems19%
F16CShafts3%
F16JPistons3%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
G06FElectric digital data processing3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H03GControl of amplification3%
H04BTransmission3%
PatentTitleYear
7,751,914'Signal processing apparatus'20107,680,286'Sound field measurement device'20107,664,272'Sound image control device and design tool therefor'20107,386,139'Sound image control system'20087,254,240'Active noise control system'20077,191,022'Public addressing system'20077,158,644'Active noise control system'20077,139,402'Sound reproduction device'20067,062,049'Active noise control system'20067,054,400'Digital AV signal processing apparatus'20066,990,207'Active noise control system'20066,961,632'Signal processing apparatus'20056,944,309'Headphone system'20056,891,954'Vehicle-mounted noise control apparatus'20056,731,759'Audio signal reproduction device'20046,488,378'Imaging apparatus'20026,418,228'Noise control system'20026,041,126'Noise cancellation system'20005,416,846'Noise control system and method'19955,388,160'Noise suppressor'19955,377,276'Noise controller'19944,924,962'Sound reproducing apparatus for use in vehicle'19904,790,014'Low-pitched sound creator'19884,121,844'Ball joint seals'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to MUSASHIEIMITSUKOGYO KABUSHIKIK (1)· patent assignee history
1988–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (18)· patent assignee history
1988–2007Based in Osaka, JP· patent location history
2000Based in Shijyonawate, JP· patent location history
2002–2010Based in Shijonawate, JP· patent location history
2005Patents assigned to MATSUSHITA DENKISANGYO KABUSHI (1)· patent assignee history
2006Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
2007Based in Sijyonawate, JP· patent location history
2010Patents assigned to PANASONIC CORP (3)· patent assignee history
2010Based in Shijohnawate, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD181988–2008
PANASONIC CORP32010
HONDA MOTOR CO LTD12006
MATSUSHITA DENKISANGYO KABUSHI12005
MUSASHIEIMITSUKOGYO KABUSHIKIK11978
Locations
LocationPatentsSpan
Osaka, JP121988–2007
Shijonawate, JP82002–2010
Shijohnawate, JP12010
Sijyonawate, JP12007
Shijyonawate, JP12000