Growing community of inventors

Dunbarton, NH, United States of America

Matthew J Johnson

Average Co-Inventor Count = 2.05

ph-index = 10

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 = 845

Matthew J JohnsonDavid E Collins (7 patents)Matthew J JohnsonChristopher Charles Langenfeld (5 patents)Matthew J JohnsonMichael J Slate (5 patents)Matthew J JohnsonSandeep Robert Datta (5 patents)Matthew J JohnsonMichael S Place (4 patents)Matthew J JohnsonAlexander Bame Wiltschko (4 patents)Matthew J JohnsonBob D Peret (3 patents)Matthew J JohnsonThomas S Schnellinger (3 patents)Matthew J JohnsonMatthew R Gill (2 patents)Matthew J JohnsonDean Kamen (1 patent)Matthew J JohnsonJohn Matthew Kerwin (1 patent)Matthew J JohnsonRichard J Lanigan (1 patent)Matthew J JohnsonBrian Daniel Tracey (1 patent)Matthew J JohnsonDerek Geoffrey Kane (1 patent)Matthew J JohnsonColin Holmes Murphy (1 patent)Matthew J JohnsonBrian H Yoo (1 patent)Matthew J JohnsonKaitlyn S Clarke (1 patent)Matthew J JohnsonChristopher C Lagenfeld (2 patents)Matthew J JohnsonFarrukh Usman (1 patent)Matthew J JohnsonAndrew Johnson (1 patent)Matthew J JohnsonJohn R Zweigle (1 patent)Matthew J JohnsonRobert J Bryant (1 patent)Matthew J JohnsonMatthew J Johnson (20 patents)David E CollinsDavid E Collins (98 patents)Christopher Charles LangenfeldChristopher Charles Langenfeld (174 patents)Michael J SlateMichael J Slate (66 patents)Sandeep Robert DattaSandeep Robert Datta (12 patents)Michael S PlaceMichael S Place (31 patents)Alexander Bame WiltschkoAlexander Bame Wiltschko (11 patents)Bob D PeretBob D Peret (44 patents)Thomas S SchnellingerThomas S Schnellinger (19 patents)Matthew R GillMatthew R Gill (23 patents)Dean KamenDean Kamen (550 patents)John Matthew KerwinJohn Matthew Kerwin (190 patents)Richard J LaniganRichard J Lanigan (26 patents)Brian Daniel TraceyBrian Daniel Tracey (124 patents)Derek Geoffrey KaneDerek Geoffrey Kane (87 patents)Colin Holmes MurphyColin Holmes Murphy (80 patents)Brian H YooBrian H Yoo (30 patents)Kaitlyn S ClarkeKaitlyn S Clarke (1 patent)Christopher C LagenfeldChristopher C Lagenfeld (2 patents)Farrukh UsmanFarrukh Usman (1 patent)Andrew JohnsonAndrew Johnson (1 patent)John R ZweigleJohn R Zweigle (1 patent)Robert J BryantRobert J Bryant (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Deka Products Limited Partnership (11 from 1,411 patents)

2. Harvard College (5 from 2,961 patents)

3. Other (2 from 832,680 patents)

4. Laitram, LLC (2 from 653 patents)

5. Brenton LLC (5 patents)


20 patents:

1. 11944429 - Automatically classifying animal behavior

2. 11669976 - Automatically classifying animal behavior

3. 11622702 - Automatically classifying animal behavior

4. 11020025 - Automatically classifying animal behavior

5. 10909691 - Automatically classifying animal behavior

6. D813376 - Apparatus to control fluid flow through a tube

7. RE46591 - Peritoneal dialysis device

8. RE46577 - Enclosure for a peritoneal dialysis device

9. RE46580 - Enclosure for a peritoneal dialysis device

10. D799025 - Apparatus to control fluid flow through a tube

11. D752209 - Apparatus to control fluid flow through a tube

12. D749206 - Apparatus to control fluid flow through a tube

13. 9151646 - System, method, and apparatus for monitoring, regulating, or controlling fluid flow

14. D725780 - Heater tray for a peritoneal dialysis device

15. D724740 - Enclosure for a peritoneal dialysis device

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as of
12/8/2025
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