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

Markus Schaefer — 7 Patents

IBM: 7 patents #14,688 of 70,183Top 25%
Winnweiler, DE: #10 of 64 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Markus Schaefer has been granted 7 US patents while listed as an inventor at IBM. The first was granted in 2019 and the most recent in August 2021. Markus Schaefer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Markus Schaefer in Winnweiler, DE.

Patents per Year

Patents granted per year, 2019 to 2021Bar chart with a peak of 3 patents in 2020.peak 32019: 2 patents20192020: 3 patents20202021: 2 patents2021

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11093179 Tape drive system Ole Asmussen, Robert Beiderbeck, Erik Rueger 2021-08-17 $3,119,000
10884989 Tape drive memory deduplication Ole Asmussen, Robert Beiderbeck, Erik Rueger 2021-01-05 $2,293,000
10734036 Tape drive corrosion protection Ole Asmussen, Robert Beiderbeck, Erik Rueger 2020-08-04 $3,150,000
10615634 Using a rechargeable power source for tape cartridge handling Ole Asmussen, Robert Beiderbeck, Frank Krick 2020-04-07 $1,846,000
10573352 Tape drive corrosion protection Ole Asmussen, Robert Beiderbeck, Erik Rueger 2020-02-25 $1,919,000
10249344 Tape drive corrosion protection Ole Asmussen, Robert Beiderbeck, Erik Rueger 2019-04-02 $2,364,000
10210896 Wireless tape cartridge handling Ole Asmussen, Robert Beiderbeck, Frank Krick 2019-02-19 $3,019,000