Topic leaderboard

F21W

CPC F21W

Ranked by the PatentIndex Score — a 1–99 percentile within F21W · public-visibility date · generated 2026

Rising· last 2 yrs

Inventors whose newest F21W patents became public in the last 2 years — the current frontier

  1. 199Bao Tran31 patents · 621 citations
  2. 296Gary W. Schnuckle23 patents · 1,267 citations
  3. 392Douglas Patton48 patents · 1,138 citations
  4. 488Ha Tran27 patents · 510 citations
  5. 583Johnny Chen76 patents · 1,272 citations
  6. 679Richard S. Belliveau59 patents · 1,548 citations
  7. 775Xiaofeng Li59 patents · 1,099 citations
  8. 871Myron Gordin99 patents · 2,935 citations
  9. 967Ian Clarke18 patents · 261 citations
  10. 1063Mark S. Olsson12 patents · 491 citations
  11. 1158Jon E. Simmons15 patents · 325 citations
  12. 1254Jinhee Park13 patents · 132 citations
  13. 1350Soonho Jung13 patents · 132 citations
  14. 1446Woonkyu Seo13 patents · 132 citations
  15. 1542Mark Fuller19 patents · 251 citations
  16. 1638Ross Mcintyre30 patents · 148 citations
  17. 1733Justin D. Dorman21 patents · 101 citations
  18. 1829Kyle Harvey17 patents · 85 citations
  19. 1925Eric Mackey11 patents · 78 citations
  20. 2021Masaru Kato7 patents · 181 citations
  21. 2117Michael R. Krames12 patents · 132 citations
  22. 2213Aurelien J. F. David11 patents · 124 citations
  23. 238Ronald R. Dir10 patents · 146 citations
  24. 244John Colvin Deaton14 patents · 102 citations
  25. 251Andrea M. Sreshta12 patents · 77 citations

Active· last 5 yrs

Sustained F21W output across the last 5 years

  1. 199Ihor Lys51 patents · 23,740 citations
  2. 296John Roberts14 patents · 2,648 citations
  3. 392Bao Tran31 patents · 621 citations
  4. 488Gary W. Schnuckle23 patents · 1,267 citations
  5. 583Douglas Patton48 patents · 1,138 citations
  6. 679Ha Tran27 patents · 510 citations
  7. 775Johnny Chen76 patents · 1,272 citations
  8. 871Tseng-Lu Chien122 patents · 1,735 citations
  9. 967Richard S. Belliveau59 patents · 1,548 citations
  10. 1063Xiaofeng Li59 patents · 1,099 citations
  11. 1158Myron Gordin99 patents · 2,935 citations
  12. 1254Kurt S. Wilcox90 patents · 1,546 citations
  13. 1350Basar Erdener20 patents · 278 citations
  14. 1446Neal R. Verfuerth19 patents · 500 citations
  15. 1542Alan J. Ruud23 patents · 552 citations
  16. 1638David P. Ramer8 patents · 424 citations
  17. 1733Voravit Puvanakijjakorn19 patents · 231 citations
  18. 1829Ian Clarke18 patents · 261 citations
  19. 1925Mark S. Olsson12 patents · 491 citations
  20. 2021Kevin Potucek24 patents · 423 citations
  21. 2117Simon Nicholas Richmond20 patents · 357 citations
  22. 2213Richard E. Feinbloom17 patents · 266 citations
  23. 238Michael Callahan12 patents · 410 citations
  24. 244Hiroyuki Ishida19 patents · 464 citations
  25. 251Masashi Tatsukawa15 patents · 392 citations

All-time canon

Career PatentIndex Score in F21W

  1. 199Ihor Lys51 patents · 23,740 citations
  2. 296George G. Mueller37 patents · 21,828 citations
  3. 392Frederick Morgan35 patents · 15,918 citations
  4. 488Michael K. Blackwell9 patents · 5,716 citations
  5. 583Kevin Dowling29 patents · 10,217 citations
  6. 679Alfred D. Ducharme13 patents · 3,978 citations
  7. 775David W. Baarman6 patents · 1,747 citations
  8. 871Colin Piepgras15 patents · 4,494 citations
  9. 967John Roberts14 patents · 2,648 citations
  10. 1063Brian Roberge7 patents · 2,303 citations
  11. 1158John C. Pederson25 patents · 2,949 citations
  12. 1254Bao Tran31 patents · 621 citations
  13. 1350James Bornhorst35 patents · 2,375 citations
  14. 1446Gary W. Schnuckle23 patents · 1,267 citations
  15. 1542Douglas Patton48 patents · 1,138 citations
  16. 1638Ha Tran27 patents · 510 citations
  17. 1733Johnny Chen76 patents · 1,272 citations
  18. 1829Brian J. Chemel8 patents · 1,605 citations
  19. 1925Richard L. Borders8 patents · 919 citations
  20. 2021Peter A. Hochstein7 patents · 2,100 citations
  21. 2117William Hewlett39 patents · 1,121 citations
  22. 2213Tseng-Lu Chien122 patents · 1,735 citations
  23. 238Greg Rhoads27 patents · 1,049 citations
  24. 244Ronald G. Holder26 patents · 970 citations
  25. 251Richard S. Belliveau59 patents · 1,548 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth