Growing community of inventors

Newburyport, MA, United States of America

John R Ferris

Average Co-Inventor Count = 3.28

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 = 139

John R FerrisMark S Chagnon (6 patents)John R FerrisMichelle J Carter (4 patents)John R FerrisTracy J Hamilton (4 patents)John R FerrisBarry L Fiore (2 patents)John R FerrisEdwin A Rudd (1 patent)John R FerrisMaria A Gray (1 patent)John R FerrisTracy Hamilton (1 patent)John R FerrisThomas P Daniels (1 patent)John R FerrisJohn R Ferris (7 patents)Mark S ChagnonMark S Chagnon (9 patents)Michelle J CarterMichelle J Carter (5 patents)Tracy J HamiltonTracy J Hamilton (5 patents)Barry L FioreBarry L Fiore (2 patents)Edwin A RuddEdwin A Rudd (2 patents)Maria A GrayMaria A Gray (1 patent)Tracy HamiltonTracy Hamilton (1 patent)Thomas P DanielsThomas P Daniels (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Molecular Bioquest, Inc. (3 from 4 patents)

2. Omniquest Ltd. (2 from 6 patents)

3. Other (1 from 832,880 patents)

4. Binax Nh, Inc. (1 from 1 patent)


7 patents:

1. 5935866 - Preparation of sub 100 A magnetic particles and magnetic molecular

2. 5389377 - Solid care therapeutic compositions and methods for making same

3. 5382468 - Biodegradable magnetic microclusters and methods for making them

4. 5380028 - Demountable trailer suspension system

5. 5225282 - Biodegradable magnetic microcluster comprising non-magnetic metal or

6. 5071076 - Method for producing magnetic microparticles from metallocenes

7. 4944802 - High coercivity magnetic inks and method for making same

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as of
1/3/2026
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