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Kazunori Tanaka
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Hamamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Speaker grill and speaker device
Patent number
12,058,483
Issue date
Aug 6, 2024
Yamaha Corporation
Hiroyuki Shibakusa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker grill and speaker device
Patent number
11,240,575
Issue date
Feb 1, 2022
Yamaha Corporation
Hiroyuki Shibakusa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical semiconductor element and method of driving optical semicon...
Patent number
10,840,406
Issue date
Nov 17, 2020
Hamamatsu Photonics K.K.
Masamichi Yamanishi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Speaker array apparatus
Patent number
9,736,577
Issue date
Aug 15, 2017
Yamaha Corporation
Masaki Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker device
Patent number
9,456,278
Issue date
Sep 27, 2016
Yamaha Corporation
Kazunori Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker array apparatus, signal processing method, and program
Patent number
9,124,978
Issue date
Sep 1, 2015
Yamaha Corporation
Yusuke Konagai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element and photodetector
Patent number
8,853,809
Issue date
Oct 7, 2014
Hamamatsu Photonics K.K.
Kazutoshi Nakajima
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT-RECEIVING ELEMENT
Publication number
20240030366
Publication date
Jan 25, 2024
Hamamatsu Photonics K.K.
Hayato ISHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Speaker Grill and Speaker Device
Publication number
20230199351
Publication date
Jun 22, 2023
Yamaha Corporation
Hiroyuki SHIBAKUSA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker Grill and Speaker Device
Publication number
20210204045
Publication date
Jul 1, 2021
Yamaha Corporation
Hiroyuki SHIBAKUSA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SUPERLUMINESCENT DIODE
Publication number
20200395501
Publication date
Dec 17, 2020
Hamamatsu Photonics K.K.
Masamichi YAMANISHI
G02 - OPTICS
Information
Patent Application
OPTICAL SEMICONDUCTOR ELEMENT AND METHOD OF DRIVING OPTICAL SEMICON...
Publication number
20180301591
Publication date
Oct 18, 2018
HAMAMATSU PHOTONICS K. K.
Masamichi YAMANISHI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Speaker Array Apparatus
Publication number
20160255434
Publication date
Sep 1, 2016
Yamaha Corporation
Masaki YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHOTODETECTOR
Publication number
20150097156
Publication date
Apr 9, 2015
Hamamatsu Photonics K.K.
Kazutoshi Nakajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL ELEMENT AND PHOTODETECTOR
Publication number
20130307108
Publication date
Nov 21, 2013
HAMAMATSU PHOTONICS K. K.
Kazutoshi NAKAJIMA
G02 - OPTICS
Information
Patent Application
SPEAKER DEVICE
Publication number
20120063618
Publication date
Mar 15, 2012
Yamaha Corporation
Kazunori TANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker Apparatus
Publication number
20110243353
Publication date
Oct 6, 2011
Yamaha Corporation
Susumu TAKUMAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER ARRAY APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM
Publication number
20100189267
Publication date
Jul 29, 2010
Yamaha Corporation
Yusuke KONAGAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE