Growing community of inventors

East Hanover, NJ, United States of America

Donald M Sperbeck

Average Co-Inventor Count = 6.26

ph-index = 2

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 = 12

Donald M SperbeckMark L Greenlee (4 patents)Donald M SperbeckDongfang Meng (4 patents)Donald M SperbeckKenneth J Wildonger (4 patents)Donald M SperbeckRobert R Wilkening (2 patents)Donald M SperbeckJames M Apgar (2 patents)Donald M SperbeckDann LeRoy Parker, Jr (2 patents)Donald M SperbeckAhmed Mamai (2 patents)Donald M SperbeckTesfaye Biftu (1 patent)Donald M SperbeckWilliam K Hagmann (1 patent)Donald M SperbeckRavi P Nargund (1 patent)Donald M SperbeckHubert B Josien (1 patent)Donald M SperbeckBin Hu (1 patent)Donald M SperbeckSteven L Colletti (1 patent)Donald M SperbeckCheng Zhu (1 patent)Donald M SperbeckPurakkattle J Biju (1 patent)Donald M SperbeckAnilkumar G Nair (1 patent)Donald M SperbeckBrian H Heasley (1 patent)Donald M SperbeckNam Fung Kar (1 patent)Donald M SperbeckMingxiang Cui (1 patent)Donald M SperbeckGregory Pacofsky (1 patent)Donald M SperbeckKingsley Nelson (1 patent)Donald M SperbeckPurakkatle Biju (0 patent)Donald M SperbeckChen Zhu (0 patent)Donald M SperbeckJames Apgar (0 patent)Donald M SperbeckKenneth James Wildonger (0 patent)Donald M SperbeckDonald M Sperbeck (5 patents)Mark L GreenleeMark L Greenlee (39 patents)Dongfang MengDongfang Meng (23 patents)Kenneth J WildongerKenneth J Wildonger (17 patents)Robert R WilkeningRobert R Wilkening (36 patents)James M ApgarJames M Apgar (13 patents)Dann LeRoy Parker, JrDann LeRoy Parker, Jr (12 patents)Ahmed MamaiAhmed Mamai (5 patents)Tesfaye BiftuTesfaye Biftu (84 patents)William K HagmannWilliam K Hagmann (77 patents)Ravi P NargundRavi P Nargund (74 patents)Hubert B JosienHubert B Josien (51 patents)Bin HuBin Hu (51 patents)Steven L CollettiSteven L Colletti (40 patents)Cheng ZhuCheng Zhu (27 patents)Purakkattle J BijuPurakkattle J Biju (26 patents)Anilkumar G NairAnilkumar G Nair (13 patents)Brian H HeasleyBrian H Heasley (12 patents)Nam Fung KarNam Fung Kar (9 patents)Mingxiang CuiMingxiang Cui (5 patents)Gregory PacofskyGregory Pacofsky (4 patents)Kingsley NelsonKingsley Nelson (1 patent)Purakkatle BijuPurakkatle Biju (0 patent)Chen ZhuChen Zhu (0 patent)James ApgarJames Apgar (0 patent)Kenneth James WildongerKenneth James Wildonger (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Merck Sharp + Dohme Corp. (3 from 2,405 patents)

2. Merck + Co., Inc. (1 from 4,770 patents)

3. Seynix, Inc. (1 from 1 patent)

4. Seynexis, Inc. (1 from 1 patent)

5. Scynexis, Inc. (18 patents)


5 patents:

1. 9932311 - Antidiabetic tricyclic compounds

2. 8722727 - Antifungal agents

3. 8188085 - Antifungal agents

4. 7709508 - Estrogen receptor modulators

5. 7511152 - Estrogen receptor modulators

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as of
1/7/2026
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