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Mitsuru MARIYAMA
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Katsuragi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
LED drive circuit, LED illumination component, LED illumination dev...
Patent number
8,810,135
Issue date
Aug 19, 2014
Sharp Kabushiki Kaisha
Yasuhiro Maruyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
LED drive circuit, LED illumination fixture, LED illumination devic...
Patent number
8,421,371
Issue date
Apr 16, 2013
Sharp Kabushiki Kaisha
Takayuki Shimizu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
LED drive circuit, LED illumination component, LED illumination dev...
Patent number
8,258,706
Issue date
Sep 4, 2012
Sharp Kabushiki Kaisha
Yasuhiro Maruyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
LED drive circuit and LED light-emitting device
Patent number
7,764,028
Issue date
Jul 27, 2010
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Bidirectional photothyristor chip, optical lighting coupler, and so...
Patent number
7,423,298
Issue date
Sep 9, 2008
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bidirectional photothyristor chip, light-fired coupler and solid st...
Patent number
7,157,747
Issue date
Jan 2, 2007
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bidirectional photothyristor chip
Patent number
6,995,408
Issue date
Feb 7, 2006
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bidirectional thyristor device
Patent number
6,037,613
Issue date
Mar 14, 2000
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit provided with thyristor
Patent number
5,747,836
Issue date
May 5, 1998
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Photoswitching device including a MOSFET for detecting zero voltage...
Patent number
5,293,051
Issue date
Mar 8, 1994
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEV...
Publication number
20130026946
Publication date
Jan 31, 2013
Yasuhiro Maruyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LED DRIVE CIRCUIT, LED ILLUMINATION FIXTURE, LED ILLUMINATION DEVIC...
Publication number
20110234115
Publication date
Sep 29, 2011
Takayuki SHIMIZU
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEV...
Publication number
20100090604
Publication date
Apr 15, 2010
Yasuhiro Maruyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LED DRIVE CIRCUIT AND LED LIGHT-EMITTING DEVICE
Publication number
20080203936
Publication date
Aug 28, 2008
Mitsuru MARIYAMA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Bidirectional photothyristor chip, optical lighting coupler, and so...
Publication number
20060027832
Publication date
Feb 9, 2006
SHARP KABUSHIKI KAISHA
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Bidirectional photothyristor chip, light-fired coupler and solid st...
Publication number
20050006661
Publication date
Jan 13, 2005
SHARP KABUSHIKI KAISHA
Mitsuru Mariyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Bidirectional photothyristor chip
Publication number
20040262633
Publication date
Dec 30, 2004
Sharp Kabushiki Kaisha
Mitsuru Mariyama
H03 - BASIC ELECTRONIC CIRCUITRY