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Inventor

Yoshitaka Murayama

Inventor
Yashio, JP

Overview

8→
Patents
1994–2019
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.

H04Sprimary
H04SStereophonic systems29%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers21%
G06TImage data processing or generation, in general14%
G10LSpeech analysis techniques or speech synthesis14%
G11BInformation storage based on relative movement between record carrier and transducer14%
F16CShafts7%
PatentTitleYear
10,524,081Sound processing device, sound processing method, and sound processing program20199,648,435'Sound-source separation method, apparatus, and program'20179,445,195'Directivity control method and device'20168,116,479'Sound collection/reproduction method and device'20127,201,517'Hydrodynamic bearing device and a recording disk drive equipped with it'20076,757,644'Image displaying method, device, and computer-readable storage medium'20046,396,499'Image displaying method, device, and computer-readable storage medium'20025,369,537'Disk driving device with improved disk mounting surface'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Komagane, JP· patent location history
2002Based in Setagaya, JP· patent location history
2004–2012Based in Tokyo, JP· patent location history
2007Based in Nagano, JP· patent location history
2012Patents assigned to DIMAGIC CO LTD (1)· patent assignee history
2012Patents assigned to GOTO AKIRA (1)· patent assignee history
2012Patents assigned to HAMADA HAREO (1)· patent assignee history
2016–2017Patents assigned to KYOEI ENG CO LTD (2)· patent assignee history
2016–2019Based in Yashio, JP· patent location history
2019Patents assigned to CEAR INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOEI ENG CO LTD22016–2017
CEAR INC12019
DIMAGIC CO LTD12012
GOTO AKIRA12012
HAMADA HAREO12012
Locations
LocationPatentsSpan
Yashio, JP32016–2019
Tokyo, JP22004–2012
Nagano, JP12007
Setagaya, JP12002
Komagane, JP11994