Redwood City, CA, United States of America

John Christian Fjeldsted

USPTO Granted Patents = 10 (Patent Applications = 1)

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 96(Granted Patents)

Location History:

Redwood City, CA (US) (1989 - 2011)
Loveland, CO (US) (2011)
Santa Clara, CA (US) (2016)

Company Filing History:

7 out of 4,667

Agilent Technologies, Inc.

patents

2 out of 9,638

Hewlett-packard Company

Years Active: 1989-2016

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9482642 - Fast method for measuring collision cross section of ions utilizing ion mobility spectrometry (2016-11-01),

2. 7908093 - Mass spectrometer and method for enhancing resolution of mass spectra (2011-03-15),

3. 7863556 - Enhanced resolution mass spectrometer and mass spectrometry method (2011-01-04),

4. 7684932 - Systems and methods for dynamically adjusting sampling rates of mass spectrometers (2010-03-23),

5. 7423259 - Mass spectrometer and method for enhancing dynamic range (2008-09-09),

6. 7412334 - Mass spectrometer and method for enhancing resolution of mass spectra (2008-08-12),

7. 7385185 - Molecular activation for tandem mass spectroscopy (2008-06-10),

8. 5903003 - Methods of comparative analysis using ion trap mass spectrometers (1999-05-11),

9. 4885500 - Quartz quadrupole for mass filter (1989-12-05),

10. 4804839 - Heating system for GC/MS instruments (1989-02-14),

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1 patent pending:

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