Growing community of inventors

Mount Airy, MD, United States of America

Ross E Zirkle

Average Co-Inventor Count = 4.25

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 284

Ross E ZirkleKirk Emil Apt (25 patents)Ross E ZirkleJames George Metz (21 patents)Ross E ZirkleCraig A Weaver (18 patents)Ross E ZirklePaul Warren Behrens (17 patents)Ross E ZirkleJon Milton Hansen (17 patents)Ross E ZirkleJoseph W Pfeifer, Iii (17 patents)Ross E ZirkleTracey Lynn Stahl (17 patents)Ross E ZirkleDavid John Simpson (8 patents)Ross E ZirkleJames Casey Lippmeier (5 patents)Ross E ZirkleJun Wang (5 patents)Ross E ZirkleJames P Wynn (4 patents)Ross E ZirkleLeslie Richter (4 patents)Ross E ZirkleJoseph W Pfeifer (4 patents)Ross E ZirkleDaniel H Doherty (3 patents)Ross E ZirkleTerence Anthony Walsh (2 patents)Ross E ZirkleScott Bevan (2 patents)Ross E ZirkleCory M Larsen (2 patents)Ross E ZirkleNeil Francis Leininger (2 patents)Ross E ZirkleDaniel Gachotte (2 patents)Ross E ZirkleKrishna Raman (2 patents)Ross E ZirkleStephen Cherinko (2 patents)Ross E ZirkleRobert Cody Kertis (2 patents)Ross E ZirkleP Ann Owens-Merlo (2 patents)Ross E ZirkleAnne-Cecile V Bayne (2 patents)Ross E ZirkleJun Wang (2 patents)Ross E ZirkleNasrin Tabayehnejad (1 patent)Ross E ZirkleBastien Chevreux (1 patent)Ross E ZirkleNasrin Tabayeh Burke (1 patent)Ross E ZirkleJoseph W Pfeifer Iii (0 patent)Ross E ZirkleIii Joseph W Pfeifer (0 patent)Ross E ZirkleStephen Robert Cherinko (0 patent)Ross E ZirkleJoseph W Iii Pfeifer (0 patent)Ross E ZirkleDavid Simpson (2 patents)Ross E ZirkleIii Pfeifer Joseph W (1 patent)Ross E ZirkleKrishna Raman (1 patent)Ross E ZirkleKirk E Apt (1 patent)Ross E ZirkleStephen Robert Cherinko (1 patent)Ross E ZirkleIii Pfeifer Joseph W (1 patent)Ross E ZirkleRoss E Zirkle (47 patents)Kirk Emil AptKirk Emil Apt (45 patents)James George MetzJames George Metz (89 patents)Craig A WeaverCraig A Weaver (43 patents)Paul Warren BehrensPaul Warren Behrens (38 patents)Jon Milton HansenJon Milton Hansen (35 patents)Joseph W Pfeifer, IiiJoseph W Pfeifer, Iii (33 patents)Tracey Lynn StahlTracey Lynn Stahl (17 patents)David John SimpsonDavid John Simpson (36 patents)James Casey LippmeierJames Casey Lippmeier (25 patents)Jun WangJun Wang (5 patents)James P WynnJames P Wynn (15 patents)Leslie RichterLeslie Richter (4 patents)Joseph W PfeiferJoseph W Pfeifer (8 patents)Daniel H DohertyDaniel H Doherty (27 patents)Terence Anthony WalshTerence Anthony Walsh (27 patents)Scott BevanScott Bevan (21 patents)Cory M LarsenCory M Larsen (20 patents)Neil Francis LeiningerNeil Francis Leininger (13 patents)Daniel GachotteDaniel Gachotte (12 patents)Krishna RamanKrishna Raman (8 patents)Stephen CherinkoStephen Cherinko (4 patents)Robert Cody KertisRobert Cody Kertis (3 patents)P Ann Owens-MerloP Ann Owens-Merlo (2 patents)Anne-Cecile V BayneAnne-Cecile V Bayne (2 patents)Jun WangJun Wang (45 patents)Nasrin TabayehnejadNasrin Tabayehnejad (9 patents)Bastien ChevreuxBastien Chevreux (7 patents)Nasrin Tabayeh BurkeNasrin Tabayeh Burke (1 patent)Joseph W Pfeifer IiiJoseph W Pfeifer Iii (0 patent)Iii Joseph W PfeiferIii Joseph W Pfeifer (0 patent)Stephen Robert CherinkoStephen Robert Cherinko (0 patent)Joseph W Iii PfeiferJoseph W Iii Pfeifer (0 patent)David SimpsonDavid Simpson (3 patents)Iii Pfeifer Joseph WIii Pfeifer Joseph W (4 patents)Krishna RamanKrishna Raman (2 patents)Kirk E AptKirk E Apt (1 patent)Stephen Robert CherinkoStephen Robert Cherinko (5 patents)Iii Pfeifer Joseph WIii Pfeifer Joseph W (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Dsm IP Assets B.v. (29 from 1,735 patents)

2. Martek Biosciences Corporation (17 from 124 patents)

3. Dow Agrosciences LLC (2 from 1,249 patents)

4. Other (1 from 832,843 patents)


47 patents:

1. 12203075 - Polyunsaturated fatty acid synthase nucleic acid molecules and polypeptides, compositions, and methods of making and uses thereof

2. 11987819 - Method of increasing omega-3 polyunsaturated fatty acids production in microalgae

3. 11154076 - Eicosapentaenoic acid-producing microorganisms, fatty acid compositions, and methods of making and uses thereof

4. 11046968 - Production of omega 3 long chain polyunsaturated fatty acids in oilseed crops by a thraustochytrid PUFA synthase

5. 10925850 - Eicosapentaenoic acid-producing microorganisms, fatty acid compositions, and methods of making and uses thereof

6. 10829794 - Protein production in microorganisms of the phylum labyrinthulomycota

7. 10798952 - Eicosapentaenoic acid-producing microorganisms, fatty acid compositions, and methods of making and uses thereof

8. 10793837 - Production of polyunsaturated fatty acids (PUFAs) using a novel modular docosahexaenoic acid (DHA) synthase

9. 10757959 - Thraustochytrids, fatty acid compositions, and methods of making and uses thereof

10. 10538772 - Polyunsaturated fatty acid synthase nucleic acid molecules and polypeptides, compositions, and methods of making and uses thereof

11. 10392578 - Extraction of lipid from cells and products therefrom

12. 10385289 - Extraction of lipid from cells and products therefrom

13. 10362794 - Thraustochytrids, fatty acid compositions, and methods of making and uses thereof

14. 10272060 - Eicosapentaenoic acid-producing microorganisms, fatty acid compositions, and methods of making and uses thereof

15. 10085465 - Thraustochytrids, fatty acid compositions, and methods of making and uses thereof

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12/25/2025
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