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

Hugo E. Rothuizen — 74 Patents

IBM: 71 patents #1,026 of 70,183Top 2%
Globalfoundries: 3 patents #1,029 of 4,424Top 25%
Overall (All Time): #26,215 of 4,157,543Top 1%
74 Patents All Time
Hugo E. Rothuizen has been granted 74 US patents while listed as an inventor at IBM. The first was granted in 2003 and the most recent in July 2025. Hugo E. Rothuizen ranks #26,215 of 4,157,543 US inventors in our database (top 0.63%). Patent records list Hugo E. Rothuizen in Oberrieden, NY, CH.

Patents per Year

Patents granted per year, 2003 to 2025Bar chart with a peak of 7 patents in 2011.peak 72003: 1 patents20032005: 1 patents2006: 2 patents2007: 2 patents20072008: 2 patents2009: 5 patents2010: 3 patents20102011: 7 patents2012: 1 patents2013: 4 patents20132014: 1 patents2015: 4 patents2016: 5 patents20162017: 6 patents2018: 5 patents2019: 7 patents20192020: 6 patents2021: 6 patents2022: 1 patents20222023: 1 patents2024: 2 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 74 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12367901 Segmented tape head Mark A. Lantz, Simeon Furrer, Beat Weiss, Luzius Kronig 2025-07-22
12315537 Magnetic write transducer with variable write gap length Mark A. Lantz, Jason Liang, Icko E. T. Iben 2025-05-27
12014755 Side erasure control for track writing in a system Mark A. Lantz, Simeon Furrer, Stella Brach, Jason Liang, Icko E. T. Iben +2 more 2024-06-18 $16,708,000
11948608 Magnetic write head with flux blockade structure Icko E. T. Iben, Robert E. Fontana, Jr., Mark A. Lantz 2024-04-02 $9,951,000
11837263 Tape erase element included in a tape erase device to erase a tape medium David H. F. Harper, Mark A. Lantz, Edwin R. Childers 2023-12-05 $10,759,000
11373676 Write transducer with recessed portion to improve track shingling performance Robert E. Fontana, Jr., Icko E. T. Iben, Mark A. Lantz, Simeon Furrer 2022-06-28 $8,334,000
11175335 Diagnostics in TMR sensors Robert G. Biskeborn, Wlodzimierz S. Czarnecki, Icko E. T. Iben 2021-11-16 $1,912,000
11143696 Diagnostics in TMR sensors Robert G. Biskeborn, Wlodzimierz S. Czarnecki, Icko E. T. Iben 2021-10-12 $3,967,000
11056132 Multichannel tape head module having thermally settable transducer pitch and method of setting pitch thereof Robert G. Biskeborn, Calvin S. Lo 2021-07-06 $5,313,000
11049528 Multichannel tape head module having thermoelectric devices for controlling span between transducers Robert G. Biskeborn 2021-06-29 $5,149,000
10957347 Thin film heating device in a write gap Robert G. Biskeborn, David J. Seagle 2021-03-23 $2,115,000
10902873 Apparatus with multi-channel tape head module having controllable expansion elements David J. Seagle, Robert G. Biskeborn 2021-01-26 $1,788,000
10832706 Multichannel tape head module having thermal device for controlling span between transducers Robert G. Biskeborn 2020-11-10 $848,000
10783920 Tape drive with gas jet impinging on tape Peter Reininger, Walter Haeberle, Mark A. Lantz 2020-09-22 $3,040,000
10748573 Multichannel tape head module having mechanically settable transducer pitch Robert G. Biskeborn, Calvin S. Lo 2020-08-18 $3,155,000
10692520 Multichannel tape head module having thermal device for controlling span between transducers Robert G. Biskeborn 2020-06-23 $2,380,000
10580442 Magnetic head having arrays of tunnel valve read transducers with designated minimum hard bias magnet thickness to free layer thickness ratios Robert G. Biskeborn 2020-03-03 $1,865,000
10580438 Multichannel tape head module having thermal device for controlling span between transducers Robert G. Biskeborn 2020-03-03 $1,865,000
10522182 Tape drive with gas jet impinging on tape Peter Reininger, Walter Haeberle, Mark A. Lantz 2019-12-31 $4,449,000
10422829 Diagnostics in TMR sensors Robert G. Biskeborn, Wlodzimierz S. Czarnecki, Icko E. T. Iben 2019-09-24 $3,094,000
10374475 Reduced reel motor disturbances in a tape drive system David H. F. Harper 2019-08-06 $1,880,000
10371742 Diagnostics in TMR sensors Robert G. Biskeborn, Wlodzimierz S. Czarnecki, Icko E. T. Iben 2019-08-06 $1,880,000
10371743 Diagnostics in TMR sensors Robert G. Biskeborn, Wlodzimierz S. Czarnecki, Icko E. T. Iben 2019-08-06 $1,880,000
10278306 Method and device for cooling a heat generating component Thomas J. Brunschwiler, Urs Kloter, Ryan J. Linderman, Bruno Michel, Reto Waelchli 2019-04-30 $28,269,000
10170143 Tape heads with sub-ambient pressure cavities Johan B. C. Engelen, Mark A. Lantz 2019-01-01