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Yoichiro Sumitani
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Rancho Palos Verdes, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Shallow sub woofer
Patent number
10,694,296
Issue date
Jun 23, 2020
Sound Sources Technology Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Shallow sub woofer
Patent number
10,349,180
Issue date
Jul 9, 2019
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Grille attachment for loudspeaker
Patent number
8,897,481
Issue date
Nov 25, 2014
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Universal angle loudspeaker bracket
Patent number
8,724,842
Issue date
May 13, 2014
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Single magnet coaxial loudspeaker
Patent number
8,693,723
Issue date
Apr 8, 2014
Sound Systems Technology, Inc.
Chun-Yi Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interchangeable bar loudspeaker system
Patent number
8,229,152
Issue date
Jul 24, 2012
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interchangeable magnet loudspeaker
Patent number
8,175,319
Issue date
May 8, 2012
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Single magnet coaxial loudspeaker
Patent number
8,175,320
Issue date
May 8, 2012
Sound Sources Technology, Inc.
Chun-Yi Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reversible speaker grill attachment
Patent number
8,085,967
Issue date
Dec 27, 2011
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker bobbin interconnection assembly
Patent number
7,970,162
Issue date
Jun 28, 2011
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker with cone-coupled damper
Patent number
7,899,202
Issue date
Mar 1, 2011
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal assembly for selectively coupling loads in parallel and in...
Patent number
7,458,845
Issue date
Dec 2, 2008
Sound Sources Technolog, Inc
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal for selectively coupling loads in parallel or in series
Patent number
7,410,361
Issue date
Aug 12, 2008
Sound Sources Technology
Yoichiro Sumitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Center channel speaker having multiple interconnected backload ampl...
Patent number
5,307,418
Issue date
Apr 26, 1994
Culver Electronic Sales, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SHALLOW SUB WOOFER
Publication number
20190335279
Publication date
Oct 31, 2019
Sound Sources Technology, Inc.
YOICHIRO SUMITANI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SHALLOW SUB WOOFER
Publication number
20180192201
Publication date
Jul 5, 2018
Sound Sources Technology, Inc.
YOICHIRO SUMITANI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE RADIATOR
Publication number
20150195629
Publication date
Jul 9, 2015
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
GRILLE ATTACHMENT FOR LOUDSPEAKER
Publication number
20140233786
Publication date
Aug 21, 2014
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
UNIVERSAL ANGLE LOUDSPEAKER BRACKET
Publication number
20130251187
Publication date
Sep 26, 2013
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SINGLE MAGNET COAXIAL LOUDSPEAKER
Publication number
20120257783
Publication date
Oct 11, 2012
Chun-Yi Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Interchangeable Bar Loudspeaker System
Publication number
20100008522
Publication date
Jan 14, 2010
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTERCHANGEABLE MAGNET LOUDSPEAKER
Publication number
20090310813
Publication date
Dec 17, 2009
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOUDSPEAKER INTERCONNECT TERMINAL
Publication number
20090185694
Publication date
Jul 23, 2009
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SINGLE MAGNET COAXIAL LOUDSPEAKER
Publication number
20090003632
Publication date
Jan 1, 2009
Chun-Yi Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Terminal for selectively coupling loads in parallel or in series
Publication number
20080090470
Publication date
Apr 17, 2008
Yoichiro Sumitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Loudspeaker bobbin interconnection assembly
Publication number
20080080736
Publication date
Apr 3, 2008
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Terminal assembly for selectively coupling loads in parallel and in...
Publication number
20070293082
Publication date
Dec 20, 2007
Sound Sources Technology, Inc.
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reversible speaker grill attachment
Publication number
20070274554
Publication date
Nov 29, 2007
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Loudspeaker with cone-coupled damper
Publication number
20070242850
Publication date
Oct 18, 2007
Yoichiro Sumitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE