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Inventor

Yoshiyuki Yoshizumi

Inventor
Kanagawa, JP

Overview

8→
Patents
1991–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 8 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 transducers31%
G10LSpeech analysis techniques or speech synthesis23%
A61BDiagnosis8%
G01TMeasurement of nuclear or x-radiation8%
G06TImage data processing or generation, in general8%
H03GControl of amplification8%
H04NPictorial communication, e.g. television8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
PatentTitleYear
8,073,170'Hearing aid adjuster'20117,796,767'Howling detection method, device, and acoustic device using the same'20107,539,320'Hearing aid with automatic excessive output sound control'20095,583,969'Speech signal processing apparatus for amplifying an input signal based upon consonant features of the signal'19965,530,768'Speech enhancement apparatus'19965,408,581'Apparatus and method for speech signal processing'19955,111,052'Radiation sensor and a radiation detecting apparatus using the same'19925,020,085'X-ray image processing device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1991–1996Based in Suita, JP· patent location history
1992Based in Hirakata, JP· patent location history
1995–1996Patents assigned to TECH RES ASS MED & WELFARE APP (3)· patent assignee history
1996Based in Nara, JP· patent location history
2009–2011Patents assigned to PANASONIC CORP (3)· patent assignee history
2009–2011Based in Kanagawa, JP· patent location history
2011Patents assigned to FUJII SHIGEKIYO (1)· patent assignee history
2011Patents assigned to KONDO HIROSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PANASONIC CORP32009–2011
TECH RES ASS MED & WELFARE APP31995–1996
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21991–1992
FUJII SHIGEKIYO12011
KONDO HIROSHI12011
Locations
LocationPatentsSpan
Kanagawa, JP32009–2011
Suita, JP31991–1996
Nara, JP11996
Hirakata, JP11992