Topic leaderboard

A21D

CPC A21D

Ranked by the PatentIndex Score — a 1–99 percentile within A21D · public-visibility date · generated 2026

Rising· last 2 yrs

Inventors whose newest A21D patents became public in the last 2 years — the current frontier

  1. 199Avetik Markosyan58 patents · 475 citations
  2. 296Fatimah Wirth11 patents · 41 citations
  3. 392Todd Lindsay Wirth11 patents · 41 citations
  4. 488Eleanore Brophy Eckstrom11 patents · 30 citations
  5. 583Maximilian Devane Hamilton10 patents · 30 citations
  6. 679Mark A. Kozubal10 patents · 30 citations
  7. 775Michael John Harney10 patents · 30 citations
  8. 871Renata Usaite Black10 patents · 30 citations
  9. 967Richard Eugene Macur10 patents · 30 citations
  10. 1063Yuval Charles Avniel10 patents · 30 citations
  11. 1158Luis G. Cascao-Pereira8 patents · 22 citations
  12. 1254Harm Mulder5 patents · 54 citations
  13. 1350Marc Kolkman5 patents · 11 citations
  14. 1446David A. Estell5 patents · 8 citations
  15. 1542Robert Mayernick10 patents · 14 citations
  16. 1638Hing C. Wong3 patents · 5 citations
  17. 1733Beom Jin Lee3 patents · 4 citations
  18. 1829Jae Won Lim3 patents · 4 citations
  19. 1925Juan Zhu3 patents · 2 citations
  20. 2021Runchun Jing3 patents · 2 citations
  21. 2117Gary Millet3 patents · 2 citations
  22. 2213Kylin Liao3 patents · 2 citations
  23. 238Janelle Myers3 patents · 3 citations
  24. 244Gary Gottenbusch3 patents · 3 citations
  25. 251Anne Nilsson2 patents · 4 citations

Active· last 5 yrs

Sustained A21D output across the last 5 years

  1. 199Lynn Haynes19 patents · 471 citations
  2. 296Avetik Markosyan58 patents · 475 citations
  3. 392Robert J. Reese8 patents · 218 citations
  4. 488Roberto Contreras10 patents · 183 citations
  5. 583James M. Manns11 patents · 144 citations
  6. 679Jorn Borch Soe7 patents · 151 citations
  7. 775Fatimah Wirth11 patents · 41 citations
  8. 871Todd Lindsay Wirth11 patents · 41 citations
  9. 967Eleanore Brophy Eckstrom11 patents · 30 citations
  10. 1063Maximilian Devane Hamilton10 patents · 30 citations
  11. 1158Mark A. Kozubal10 patents · 30 citations
  12. 1254Michael John Harney10 patents · 30 citations
  13. 1350Renata Usaite Black10 patents · 30 citations
  14. 1446Richard Eugene Macur10 patents · 30 citations
  15. 1542Yuval Charles Avniel10 patents · 30 citations
  16. 1638Deno R. Blau5 patents · 66 citations
  17. 1733Derrick Longson5 patents · 66 citations
  18. 1829Roger Dahle5 patents · 66 citations
  19. 1925Wayne B. Hardy5 patents · 66 citations
  20. 2021Ed Rosenthal12 patents · 52 citations
  21. 2117Rachel M. Franklin12 patents · 52 citations
  22. 2213Ross M. Franklin12 patents · 52 citations
  23. 238Daniel Michael Leo15 patents · 67 citations
  24. 244Felipe A. Rubio6 patents · 65 citations
  25. 251Luis G. Cascao-Pereira8 patents · 22 citations

All-time canon

Career PatentIndex Score in A21D

  1. 199Dov Tamarkin6 patents · 861 citations
  2. 296Meir Eini6 patents · 861 citations
  3. 392Louise Slade25 patents · 973 citations
  4. 488Harry Levine22 patents · 941 citations
  5. 583Julia M. Carey6 patents · 575 citations
  6. 679Richard C. Fuisz19 patents · 962 citations
  7. 775Chung-Wai Chiu16 patents · 1,113 citations
  8. 871Lynn Haynes19 patents · 471 citations
  9. 967Turiddu A. Pelloso10 patents · 647 citations
  10. 1063John F. Hammerstone, Jr.15 patents · 479 citations
  11. 1158Michael M. Chrysam10 patents · 616 citations
  12. 1254Bernhard H. Van Lengerich16 patents · 649 citations
  13. 1350Avetik Markosyan58 patents · 475 citations
  14. 1446Allan D. Roden9 patents · 517 citations
  15. 1542Charlotte Horsmans Poulsen17 patents · 457 citations
  16. 1638John W. Finley27 patents · 690 citations
  17. 1733Michael S. Otterburn13 patents · 619 citations
  18. 1829David J. Thomas8 patents · 528 citations
  19. 1925Manish B. Shah6 patents · 492 citations
  20. 2021Lawrence P. Klemann19 patents · 586 citations
  21. 2117Eleanor Schiermeyer5 patents · 430 citations
  22. 2213Kirk S. Kealey12 patents · 377 citations
  23. 238Leo J. Romanczyk, Jr.12 patents · 377 citations
  24. 244Rodney M. Snyder12 patents · 377 citations
  25. 251Joan Qi Si14 patents · 556 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth