David W. Collins has been granted 8 US patents while listed as an inventor at IBM . The first was granted in 1980 and the most recent in January 2025. David W. Collins ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David W. Collins in Philadelphia, PA, US.
Patents per Year Patents granted per year, 1980 to 2025 Bar chart with a peak of 1 patents in 1980. peak 1 1980: 1 patents 1980 1981: 1 patents 1981 1984: 1 patents 1984 1985: 1 patents 1985 1986: 1 patents 1986 1987: 1 patents 1987 2015: 1 patents 2015 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12201625 Single nucleotide polymorphic alleles of human DP-2 gene for detection of susceptibility to hair growth inhibition by PGD2 George Cotsarelis , Ying Zheng , Jen-Chih Hsieh , Joan O'Brien 2025-01-21
9049314 Dynamically and customizably managing data in compliance with privacy and security standards Michael D. Pugh , Richard Dick 2015-06-02
4642562 Phase difference demodulator Michael Allen Weed 1987-02-10
$19,411,000
4630150 Optical tool for aligning transducer head assemblies Joel Johnson , Laurence J. Schmidt , Michael M. Siverling , William S. Wentink 1986-12-16
$22,003,000
4549232 Phase modulated servo system Frederick E. Axmear 1985-10-22
$20,916,000
4477750 Multi-level disk drive motor speed control John J. Neesz , Michael C. Stich 1984-10-16
$13,716,000
4275339 Bifilar brushless DC motor Michael J. Burke 1981-06-23
$12,826,000
4237601 Method of cleaving semiconductor diode laser wafers Geoffrey R. Woolhouse , Harold Alexis Huggins 1980-12-09
$71,825,000
