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Akihiko SUGITANI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light projection device and head lamp for vehicle
Patent number
9,874,330
Issue date
Jan 23, 2018
Ushio Denki Kabushiki Kaisha
Mikio Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device
Patent number
8,882,275
Issue date
Nov 11, 2014
Ushio Denki Kabushiki Kaisha
Akihiko Sugitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device
Patent number
8,668,339
Issue date
Mar 11, 2014
Ushio Denki Kabushiki Kaisha
Kiyoyuki Kabuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device
Patent number
8,410,697
Issue date
Apr 2, 2013
Ushiodenki Kabushiki Kaisha
Kazuhiro Goto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Discharge lamp lighting apparatus and projector
Patent number
7,845,805
Issue date
Dec 7, 2010
Ushio Denki Kabushiki Kaisha
Masashi Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device
Patent number
6,597,115
Issue date
Jul 22, 2003
Ushiodenki Kabushiki Kaisha
Kazuhiro Goto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure mercury lamp provided with a sealing body made of a f...
Patent number
6,462,471
Issue date
Oct 8, 2002
Ushiodenki Kabushiki Kaisha
Masanobu Komiya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure lamp with specific amount of mercury, halogen and wal...
Patent number
6,271,628
Issue date
Aug 7, 2001
Ushiodenki Kabushiki Kaisha
Akihiko Sugitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure mercury lamp
Patent number
6,060,830
Issue date
May 9, 2000
Ushiodenki Kabushiki Kaisha
Akihiko Sugitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal halide lamp
Patent number
5,986,402
Issue date
Nov 16, 1999
Ushiodenki Kabushiki Kaisha
Mitsuo Narita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Short arc lamp having a thermally conductive ring
Patent number
5,903,088
Issue date
May 11, 1999
Ushiodenki Kabushiki Kaisha
Akihiko Sugitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Short arc lamp with one-piece cathode support component
Patent number
5,789,863
Issue date
Aug 4, 1998
Ushiodenki Kabushiki Kaisha
Masanori Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing a fused silica envelope for discharge lamp
Patent number
4,985,275
Issue date
Jan 15, 1991
Ushio Denki Kabushiki Kaisha
Tetsu Takemura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT PROJECTION DEVICE AND HEAD LAMP FOR VEHICLE
Publication number
20170175968
Publication date
Jun 22, 2017
Ushio Denki Kabushiki Kaisha
Mikio SHIMIZU
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME
Publication number
20170162745
Publication date
Jun 8, 2017
Ushio Denki Kabushiki Kaisha
Kengo MORIYASU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FLOURESCENCE-EMITTING LIGHT SOURCE UNIT
Publication number
20160040857
Publication date
Feb 11, 2016
Ushio Denki Kabushiki Kaisha
Masaki Inoue
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE
Publication number
20120262676
Publication date
Oct 18, 2012
Ushio Denki Kabushiki Kaisha
Akihiko Sugitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE
Publication number
20120262675
Publication date
Oct 18, 2012
Ushio Denki Kabushiki Kaisha
Kiyoyuki Kabuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Discharge lamp lighting apparatus and projector
Publication number
20080137041
Publication date
Jun 12, 2008
Ushio Denki Kabushiki Kaisha
Masashi Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE
Publication number
20070132403
Publication date
Jun 14, 2007
Ushiodenki Kabushiki Kaisha
Kazuhiro GOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source apparatus
Publication number
20050151937
Publication date
Jul 14, 2005
USHIO DENKI KABUSHIKI KAISHA
Akihiko Sugitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source device
Publication number
20020050774
Publication date
May 2, 2002
Kazuhiro Goto
H01 - BASIC ELECTRIC ELEMENTS