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Akihiro Adachi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image display device
Patent number
10,412,842
Issue date
Sep 10, 2019
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Yuichi Hasegawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wavelength monitoring apparatus
Patent number
7,301,974
Issue date
Nov 27, 2007
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
G01 - MEASURING TESTING
Information
Patent Grant
Wavelength filter and wavelength monitor device
Patent number
7,283,302
Issue date
Oct 16, 2007
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
G01 - MEASURING TESTING
Information
Patent Grant
Wavelength monitor and semiconductor laser device
Patent number
6,801,553
Issue date
Oct 5, 2004
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device for optical communication
Patent number
6,639,923
Issue date
Oct 28, 2003
Mitsubishi Denki Kabushiki Kaisha
Makoto Sato
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
IMAGE DISPLAY DEVICE
Publication number
20180302995
Publication date
Oct 18, 2018
Panasonic Intellectual Property Management Co., Ltd.
YUICHI HASEGAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength filter and wavelength monitor device
Publication number
20060256437
Publication date
Nov 16, 2006
Mitsubishi Denki Kabushiki Kaisha
Masao Imaki
G02 - OPTICS
Information
Patent Application
Wavelength monitoring apparatus
Publication number
20040165623
Publication date
Aug 26, 2004
Masao Imaki
G01 - MEASURING TESTING
Information
Patent Application
Semiconductor laser device for optical communication
Publication number
20020196820
Publication date
Dec 26, 2002
Makoto Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Wavelength monitor and semiconductor laser device
Publication number
20020075910
Publication date
Jun 20, 2002
Masao Imaki
H01 - BASIC ELECTRIC ELEMENTS