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USPTO Patent Rankings Data through Dec 31, 2025
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Robert A. Yapel — 49 Patents

3M: 48 patents #160 of 11,543Top 2%
IMImation: 1 patents #303 of 622Top 50%
Oakdale, MN: #7 of 368 inventorsTop 2%
Minnesota: #917 of 52,454 inventorsTop 2%
Overall (All Time): #55,592 of 4,157,543Top 2%
49 Patents All Time
Robert A. Yapel has been granted 49 US patents while listed as an inventor at 3M. The first was granted in 1995 and the most recent in January 2022. Robert A. Yapel ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Robert A. Yapel in Oakdale, MN, US.

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11226433 Light redirecting film and display system incorporating same Joseph T. Aronson, Matthew R.C. Atkinson, Gary T. Boyd, Slah Jendoubi, Mitchell A. F. Johnson +6 more 2022-01-18 $166,226,000
10156661 Light redirecting film and display system incorporating same Joseph T. Aronson, Matthew R.C. Atkinson, Gary T. Boyd, Slah Jendoubi, Mitchell A. F. Johnson +6 more 2018-12-18 $44,861,000
9744708 Slot die position adjustment and return to baseline Pentti K. Loukusa, Terence D. Neavin, Jennifer L. Trice, Kristopher K. Biegler, Paul C. Thomas +3 more 2017-08-29 $26,023,000
9625640 Optical film and display system incorporating same Joseph T. Aronson, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Tri D. Pham +6 more 2017-04-18 $16,971,000
9579684 Slot die position adjustment control Jennifer L. Trice, Pentti K. Loukusa, Paul C. Thomas, Kristopher K. Biegler, William J. Kopecky +2 more 2017-02-28 $21,811,000
9539613 System and method for making a film having a matte finish Francis M. Aguirre, John P. Baetzold, Olester Benson, Jr., Andrew J. Henderson, Mitchell A. F. Johnson +4 more 2017-01-10 $16,748,000
9527336 Cleanable articles and methods for making and using same David M. Mahli, Justin A. Riddle, Mitchell A. F. Johnson, Moses M. David, Frederick J. Gustafson +4 more 2016-12-27 $41,849,000
9383482 Antireflective films comprising microstructured surface Christopher B. Walker, Jr., Christopher P. Tebow, Tri D. Pham, Steven H. Kong, Joseph T. Aronson +6 more 2016-07-05 $35,832,000
9229239 Light redirecting film and display system incorporating same Joseph T. Aronson, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Tri D. Pham +6 more 2016-01-05 $17,182,000
9216535 Slot die position adjustments to facilitate patterned products Jennifer L. Trice, Pentti K. Loukusa, Robert B. Secor, Paul C. Thomas, William J. Kopecky +2 more 2015-12-22 $35,433,000
9044894 Slot die position adjustment and return to baseline Pentti K. Loukusa, Terence D. Neavin, Jennifer L. Trice, Kristopher K. Biegler, Paul C. Thomas +3 more 2015-06-02 $25,680,000
8888333 Light redirecting film and display system incorporating same Mitchell A. F. Johnson, Tri D. Pham, Joseph T. Aronson, Steven D. Solomonson, Scott R. Kaytor +5 more 2014-11-18 $20,376,000
8657472 Light redirecting film and display system incorporating same Joseph T. Aronson, Slah Jendoubi, Mitchell A. F. Johnson, Scott R. Kaytor, Tri D. Pham +6 more 2014-02-25 $17,827,000
8623140 System and method for making a film having a matte finish Francis M. Aguirre, John P. Baetzold, Olester Benson, Jr., Andrew J. Henderson, Mitchell A. F. Johnson +4 more 2014-01-07 $24,263,000
8605406 Apparatus and methods for altering charge on a dielectric material Richard M. Jendrejack, Mitchelle A. F. Johnson, Mikhail L. Pekurovsky, Peter T. Benson, Joan M. Noyola +2 more 2013-12-10 $26,710,000
8570703 Apparatus and methods for modification of electrostatic charge on a moving web Richard M. Jendrejack, William Blake Kolb, Peter T. Benson, William R. Dudley, Raghunath Padiyath 2013-10-29 $22,248,000
8355809 System and method for designing a die to yield a desired coating uniformity Robert B. Secor, Michael J. Tichy, Bruce D. Shalles, Charles N. DeVore, Jennifer L. Trice +4 more 2013-01-15 $23,678,000
7820236 Optical film coating Richard J. Pokorny, Jason Balich 2010-10-26 $11,974,000
7819077 Die coaters 2010-10-26 $11,974,000
7615175 Method of improving coating uniformity James M. Nelson, Raghunath Padiyath, Robert B. Secor, Mark J. Stevenson, Michael J. Tichy 2009-11-10 $42,726,000
7378136 Optical film coating Richard J. Pokorny, Jason Balich 2008-05-27 $23,991,000
7097673 Coating edge control William R. Dudley, Alan P. Miller 2006-08-29 $27,486,000
6994533 Extruder with condenser Shannon Hughes, William Blake Kolb 2006-02-07 $37,895,000
6813820 Method of improving coating uniformity James M. Nelson, Raghunath Padiyath, Robert B. Secor, Mark J. Stevenson, Michael J. Tichy 2004-11-09 $19,361,000
6790404 Process of making microporous film Shannon Hughes, William Blake Kolb 2004-09-14 $16,418,000