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USPTO Patent Rankings Data through Dec 31, 2025
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Gilbert D. Springer — 20 Patents

FEFerix: 7 patents #1 of 1Top 100%
IHIo-Mega Holding: 2 patents #118 of 308Top 40%
4P4D-S Pty: 1 patents #3 of 4Top 75%
Fremont, CA: #823 of 9,298 inventorsTop 9%
California: #29,208 of 386,348 inventorsTop 8%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Gilbert D. Springer has been granted 20 US patents while listed as an inventor at Ferix. The first was granted in 1983 and the most recent in February 2017. Gilbert D. Springer ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Gilbert D. Springer in Fremont, CA, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9568708 Smartphone lens assembly 2017-02-14
9246915 Streaming media for portable devices 2016-01-26
9001176 Smart phone lens assembly 2015-04-07
7985960 Voltage excited piezoelectric resistance memory cell system 2011-07-26
6204588 Rotor capable of being used as a recording media 2001-03-20
6169354 Thin film electric motors Mark F. Springer 2001-01-02
6066909 Method and system for providing a spherical bearing in a thin film motor Mark F. Springer 2000-05-23
6054786 Method and system for providing a spherical bearing in a thin film reluctance motor 2000-04-25
5216559 Carrier structure for read/write heads 1993-06-01 $495,000
5166845 Integrated read/write heads, flexure assembly and air-bearing structure on common unitary substrate Herbert E. Thompson, Duane G. Wallace, Jr. 1992-11-24 $1,601,000
4984118 Flux-concentrating, non-ghosting electromagnetic read/write head 1991-01-08
4544421 Multi-directional field annealing of a thin-film electromagnetic read/write head 1985-10-01
4539280 Method for creating magnetic toner images having controlled toner distribution 1985-09-03
4527169 Toner transfer apparatus with slip action 1985-07-02
4503439 Thin-film, compliant, non-pressure-point-telegraphing, electromagnetic read/write head structure 1985-03-05
4503440 Thin-film magnetic writing head with anti-saturation back-gap layer 1985-03-05
4494125 Differential-permeability field-concentrating magnetic read/write head 1985-01-15
4470051 Multiple head magnetic recording array 1984-09-04
4414554 Magnetic imaging apparatus 1983-11-08
4411512 Magnetic toner transfer apparatus 1983-10-25