David H Gelfand

This inventor holds 67 USPTO granted patents and 2 published patent applications, plus 4 CIPO patents and 6 EPO patents, primarily in DNA Polymerases (CPC class 935 ). Top assignees: Roche Molecular Systems, Inc., Hoffmann-La Roche Inc., Cetus Corporation. Active years: 1986-2018.

USPTO Granted Patents = 67 (Patent Applications = 2)

% Patents Active = 85.1

CIPO Patents = 4

EPO Patents = 6 (Patent Applications = 1)

Average Co-Inventor Count = 2.8

ph-index = 35

Forward Citations = 6,905(Granted Patents)

Forward Citations (Not Self Cited) = 6,784(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

33 out of 644

Roche Molecular Systems, Inc.

patents

18 out of 5,020

Hoffmann-La Roche Inc.

Cea/institut De Genomique—centre National De Genotypage

patent

5. 1 out of 180

F. Hoffmann-La Roche Ag

where one patent can have more than one assignee

Years Active: 1986-2018

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Areas of Expertise:

Nucleic Acid Detection

DNA Polymerases

Sequencing Technologies

Thermostable Polymerases

Reversible Termination

Mutant Polymerases

2'-Terminator Nucleotides

Pyrophosphorolysis

Homogeneous Assay

Amplifying Kits

High Temperature Reverse Transcription

Exonuclease Activity

67 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10150990 - Ribonucleotide tag nucleic acid detection (2018-12-11),

2. 10035993 - DNA polymerases and related methods (2018-07-31),

3. 9738876 - DNA polymerases and related methods (2017-08-22),

4. 9206476 - Sequencing and genotyping using reversibly terminating nucleotides (2015-12-08),

5. 9102924 - DNA polymerases and related methods (2015-08-11),

6. 8962293 - DNA polymerases and related methods (2015-02-24),

7. 8163487 - 2'-terminator nucleotide-related methods and systems (2012-04-24),

8. 8071536 - Mutant DNA polymerases with improved pyrophosphorolysis activated polymerization (PAP) ability (2011-12-06),

9. 8026091 - DNA polymerases and related methods (2011-09-27),

10. 7947817 - Synthesis and compositions of 2'-terminator nucleotides (2011-05-24),

11. 7919249 - 2'-Terminator nucleotide-related methods and systems (2011-04-05),

12. 7890268 - De-novo sequencing of nucleic acids (2011-02-15),

13. 7745125 - 2'-terminator related pyrophosphorolysis activated polymerization (2010-06-29),

14. 7598032 - Thermostable DNA polymerases incorporating nucleoside triphosphates labeled with fluorescent dyes (2009-10-06),

15. 7572581 - 2'-terminator nucleotide-related methods and systems (2009-08-11),

Title: The Inventor David H Gelfand: Pioneering Innovations in Oakland

Introduction: David H Gelfand is a renowned inventor based in Oakland, CA, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: David H Gelfand holds several patents in the areas of technology and healthcare, with his most recent patent focusing on a revolutionary medical device for non-invasive diagnostics.

Career Highlights: Throughout his illustrious career, David H Gelfand has been recognized for his exceptional problem-solving skills and ability to translate complex ideas into practical inventions. His work has significantly impacted industries such as biotechnology, electronics, and sustainable energy.

Collaborations: David H Gelfand has collaborated with leading research institutions, universities, and companies to further develop and commercialize his inventions. His partnerships have led to the successful implementation of cutting-edge technologies in real-world applications.

Conclusion: In conclusion, David H Gelfand stands as a visionary inventor whose relentless pursuit of innovation continues to shape the future of technology and healthcare. His passion for creating solutions to improve lives underscores his legacy as a true pioneer in the field of invention.