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Shiki Nakayama
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
High-pressure discharge lamp
Patent number
6,713,962
Issue date
Mar 30, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroshi Nohara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal vapor discharge lamp having cermet lead-in with improved lumi...
Patent number
6,646,379
Issue date
Nov 11, 2003
Matsushita Electric Industrial Co., Ltd.
Hiroshi Nohara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal halide lamp
Patent number
6,639,361
Issue date
Oct 28, 2003
Matsushita Electric Industrial Co., Ltd.
Kazuo Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure metallic vapor discharge lamp
Patent number
6,483,230
Issue date
Nov 19, 2002
Matsushita Electric Industrial Co., Ltd.
Shigefumi Oda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal vapor discharge lamp
Patent number
6,469,442
Issue date
Oct 22, 2002
Matsushita Electric Industrial Co., Ltd.
Shunsuke Kakisaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High pressure discharge lamp
Patent number
6,342,764
Issue date
Jan 29, 2002
Matsushita Electric Industrial Co., Ltd.
Yoshiharu Nishiura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal vapor discharged lamp with specific angle between electrodes...
Patent number
6,208,070
Issue date
Mar 27, 2001
Matsushita Electronics Corporation
Kouichi Sugimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal halide lamp with specific dimension of the discharge tube
Patent number
6,137,229
Issue date
Oct 24, 2000
Matsushita Electronics Corporation
Yoshiharu Nishiura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal halide lamp having a ceramic discharge tube
Patent number
6,054,810
Issue date
Apr 25, 2000
Matsushita Electronics Corporation
Takashi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-pressure metal vapor discharge lamp
Patent number
5,994,839
Issue date
Nov 30, 1999
Matsushita Electronics Corporation
Takashi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Discharge lamp, discharge lamp socket, discharge lamp device, and d...
Publication number
20060076870
Publication date
Apr 13, 2006
Ushio Denki Kabushiki Kaisha
Kazuya Kurokawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-pressure discharge lamp
Publication number
20030085657
Publication date
May 8, 2003
Hiroshi Nohara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL HALIDE LAMP
Publication number
20020185975
Publication date
Dec 12, 2002
Kazuo Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL VAPOR DISCHARGE LAMP
Publication number
20020101160
Publication date
Aug 1, 2002
Shunsuke Kakisaka
H01 - BASIC ELECTRIC ELEMENTS