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Takao Sugiyama
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lighting circuit and vehicle lamp
Patent number
10,173,580
Issue date
Jan 8, 2019
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Lighting circuit
Patent number
9,992,835
Issue date
Jun 5, 2018
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Light source lighting circuit and lamp system for vehicle
Patent number
8,476,838
Issue date
Jul 2, 2013
Koito Manufacturing Co., Ltd.
Kotaro Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Vehicle lamp lighting control device
Patent number
8,330,375
Issue date
Dec 11, 2012
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
LIGHTING CIRCUIT AND VEHICLE LAMP
Publication number
20180339641
Publication date
Nov 29, 2018
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHTING CIRCUIT AND VEHICLE LAMP
Publication number
20180029526
Publication date
Feb 1, 2018
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHTING CIRCUIT
Publication number
20160302267
Publication date
Oct 13, 2016
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHT SOURCE LIGHTING CIRCUIT AND LAMP SYSTEM FOR VEHICLE
Publication number
20120032591
Publication date
Feb 9, 2012
Koito Manufacturing Co., Ltd.
Kotaro Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
VEHICLE LAMP LIGHTING CONTROL DEVICE
Publication number
20100270926
Publication date
Oct 28, 2010
Koito Manufacturing Co., Ltd.
Kotaro Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHTING CONTROL DEVICE
Publication number
20090267520
Publication date
Oct 29, 2009
Koito Manufacturing Co., Ltd.
Kotaro Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR