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Craig A. Keller
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dynamic biasing of ion optics in a mass spectrometer
Patent number
7,408,151
Issue date
Aug 5, 2008
Bio-Rad Laboratories, Inc.
Craig A. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-linear signal amplifiers and uses thereof in a mass spectromete...
Patent number
7,256,393
Issue date
Aug 14, 2007
Bio-Rad Laboratories, Inc.
Craig A. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser desorption and ionization mass spectrometer with quantitative...
Patent number
7,129,483
Issue date
Oct 31, 2006
Ciphergen Biosystems, Inc.
Michael G. Youngquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fast recovery electron multiplier
Patent number
6,841,936
Issue date
Jan 11, 2005
Ciphergen Biosystems, Inc.
Craig A. Keller
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
NON-LINEAR SIGNAL AMPLIFIERS AND USES THEREOF IN A MASS SPECTROMETE...
Publication number
20080024190
Publication date
Jan 31, 2008
Bio-Rad Laboratories, Inc.
Craig A. Keller
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Dynamic biasing of ion optics in a mass spectrometer
Publication number
20060017003
Publication date
Jan 26, 2006
Ciphergen Biosystems, Inc.
Craig A. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Non-linear signal amplifiers and uses thereof in a mass spectromete...
Publication number
20060000982
Publication date
Jan 5, 2006
Ciphergen Biosystems, Inc.
Craig A. Keller
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Laser desorption and ionization mass spectrometer with quantitative...
Publication number
20050279929
Publication date
Dec 22, 2005
Ciphergen Biosystems, Inc.
Michael G. Youngquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Laser desorption mass spectrometer with uniform illumination of the...
Publication number
20050236564
Publication date
Oct 27, 2005
Ciphergen Biosystems, Inc.
Craig A. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fast recovery electron multiplier
Publication number
20040232835
Publication date
Nov 25, 2004
Ciphergen Biosystems, Inc.
Craig A. Keller
H01 - BASIC ELECTRIC ELEMENTS