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Inventor

Akinori Hasegawa

Inventor
Hyogo, JP

Overview

11→
Patents
1986–2006
Patent span
Electricity
Primary field (CPC H)

Patents· 11 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 transducers47%
F02NStarting of combustion engines20%
Y10TTechnical subjects covered by former us classification13%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock7%
H02KDynamo-electric machines7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
7,024,015'Speaker and method of manufacturing the speaker'20066,975,736'Microphone'20056,944,302'Sound reproducing system'20056,421,449'Speaker'20026,370,253'Sound reproducing device'20026,282,296'Audio reproducing apparatus'20016,122,385'Sound reproduction apparatus with stable feedback'20005,650,567'Acceleration sensor with opposed amplifier and detection sections'19974,712,451'Starter with a gear reduction mechanism'19874,680,979'Planetary gear starter'19874,626,724'Waterproof device for electric motor'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1986–2006Based in Hyogo, JP· patent location history
1987Based in Himeji, JP· patent location history
1997–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1997–2000Based in Takasago, JP· patent location history
2002Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81997–2006
MITSUBISHI ELECTRIC CORP31986–1987
Locations
LocationPatentsSpan
Hyogo, JP61986–2006
Takasago, JP21997–2000
Himeji, JP21987
Osaka, JP12002