Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MC

Mark G. Call — 5 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
BABasic American: 1 patents #12 of 32Top 40%
STStorage Technology: 1 patents #370 of 682Top 55%
Boulder, CO: #1,300 of 5,018 inventorsTop 30%
Colorado: #9,021 of 40,980 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Mark G. Call has been granted 5 US patents while listed as an inventor at IBM. The first was granted in 1985 and the most recent in September 2000. Mark G. Call ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Mark G. Call in Boulder, CO, US.

Patents per Year

Patents granted per year, 1985 to 2000Bar chart with a peak of 2 patents in 1989.peak 21985: 1 patents19851989: 2 patents19892000: 2 patents2000

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6118605 System for gap positioning optimization in a tape drive Geoffrey A. Hungerford, Bradley E. Whitney 2000-09-12 $6,346,000
6110518 Method for preparing quick-reconstituting foodstuffs which includes subjecting such foodstuffs to freezing followed by thawing and then at least one sequence of freezing and thawing prior to drying Kern Cooper, Warren Simon, Susan E. Linscott 2000-08-29
4881076 Encoding for pit-per-transition optical data recording Jonathan Ashley, Paul H. Siegel 1989-11-14 $19,441,000
4823330 Focus servo loop off-set compensation Nelson K. Arter, Mark L. Rhoades 1989-04-18 $10,112,000
4494080 Voltage-controlled oscillator with independent gain and frequency controls 1985-01-15 $17,274,000