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Inventor

Ikuo Kajiyama

Inventor
Tokyo, JP

Overview

5→
Patents
2002–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H04Bprimary
H04BTransmission57%
G10LSpeech analysis techniques or speech synthesis14%
H04MTelephonic communication14%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14%
PatentTitleYear
8,229,107'Echo canceler'20126,868,158'Echo processing apparatus'20056,678,376'Echo canceling apparatus'20046,516,050'Double-talk detecting apparatus, echo canceller using the double-talk detecting apparatus and echo suppressor using the double-talk detecting apparatus'20036,445,792'Echo canceller for decreasing a deterioration factor of a speech quality'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2012Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
2002–2012Based in Tokyo, JP· patent location history
2012Patents assigned to KAJIYAMA IKUO (1)· patent assignee history
2012Patents assigned to YANO ATSUYOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP52002–2012
KAJIYAMA IKUOself12012
YANO ATSUYOSHI12012
Locations
LocationPatentsSpan
Tokyo, JP52002–2012