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Himamshu Prasad
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Round Lake, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two light level ballast
Patent number
7,218,063
Issue date
May 15, 2007
Osram Sylvania, Inc.
John G. Konopka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Two light level ballast
Patent number
7,084,579
Issue date
Aug 1, 2006
Osram Sylvania Inc.
John G. Konopka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ballast with adaptive end-of-lamp-life protection
Patent number
6,741,043
Issue date
May 25, 2004
Osram Sylvania, Inc.
Himamshu V. Prasad
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-intensity discharge lamp ballast with live relamping feature
Patent number
6,707,263
Issue date
Mar 16, 2004
Osram Sylvania Inc.
Himamshu V. Prasad
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and circuit for regulating power in a high pressure discharg...
Patent number
6,700,335
Issue date
Mar 2, 2004
Osram Sylavania, Inc.
Himamshu V. Prasad
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ballast with protection circuit for preventing inverter startup dur...
Patent number
6,657,400
Issue date
Dec 2, 2003
Osram Sylvania Inc.
John G. Konopka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and circuit for controlling current in a high pressure disch...
Patent number
6,552,498
Issue date
Apr 22, 2003
Osram Sylvania Inc.
Himamshu V. Prasad
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Two light level ballast
Publication number
20060267516
Publication date
Nov 30, 2006
John G. Konopka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Two light level ballast
Publication number
20060125416
Publication date
Jun 15, 2006
John G. Konopka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
HIGH-INTENSITY DISCHARGE LAMP BALLAST WITH LIVE RELAMPING FEATURE
Publication number
20040061454
Publication date
Apr 1, 2004
Himamshu V. Prasad
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Ballast with adaptive end-of-lamp-life protection
Publication number
20040061455
Publication date
Apr 1, 2004
Himamshu V. Prasad
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND CIRCUIT FOR CONTROLLING CURRENT IN A HIGH PRESSURE DISCH...
Publication number
20030062849
Publication date
Apr 3, 2003
Himamshu V. Prasad
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Ballast with protection circuit for preventing inverter startup dur...
Publication number
20030062850
Publication date
Apr 3, 2003
John G. Konopka
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Method and circuit for regulating power in a high pressure discharg...
Publication number
20030062848
Publication date
Apr 3, 2003
Himamshu V. Prasad
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...