Inventor

Yasuo Yuyama

Inventor

Tokyo, JP

Overview

1998–2012

Patent span

LOC

Primary field

Patents· 31 as inventor

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

LOC14primary

LOC1490%

LOC136%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%

PatentTitleYear

8,270,655'Headphone device'2012 D0599777'Headphone'2009 D0598892'Radio receiver'2009 D0588099'Headphone'2009 D0587678'Headphone'2009 D0550638'Combined disc player and amplifier'2007 D0547750'Speaker box'2007 D0547286'Combined disc player and amplifier'2007 D0547287'Combined disc player and amplifier'2007 D0546348'Audio player'2007 D0542775'Speaker box'2007 D0540310'Speaker box'2007 D0540309'Speaker box'2007 D0505129'Audio/data disc player'2005 D0505130'Audio/data disc player'2005 D0453015'Headphone'2002 D0450680'Radio receiver'2001 D0443261'Headphone'2001 D0435537'Headphone'2000 D0435520'Selector for selecting audio visual apparatuses'2000 D0435035'Speaker box'2000 D0433013'Microphone'2000 D0431817'Microphone'2000 D0431543'Disc player'2000 D0430133'Combined tape player and radio receiver'2000 D0425889'Disc player'2000 D0420982'Selector for an audio visual apparatus and game machine'2000 D0412332'Controller for disc recorder'1999 D0396720'Amplifier'1998 D0393642'Speaker box'1998 D0391251'Television'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2012Patents assigned to SONY CORP (29)· patent assignee history

1998–2009Based in Tokyo, JP· patent location history

2012Patents assigned to ITO TOMOHIRO (1)· patent assignee history

2012Patents assigned to YUYAMA YASUO (1)· patent assignee history

2012Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	29	1998–2012
ITO TOMOHIRO	1	2012
YUYAMA YASUOself	1	2012

Locations

Location	Patents	Span
Tokyo, JP	30	1998–2009
Kanagawa, JP	1	2012