Growing community of inventors

Sutton, MA, United States of America

Steven E Callahan

Average Co-Inventor Count = 2.33

ph-index = 6

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 = 86

Steven E CallahanTodd K Dyment (3 patents)Steven E CallahanWilliam T Fitzsimmons (2 patents)Steven E CallahanTyler Fitzsimmons (2 patents)Steven E CallahanAnthony L Gelardi (1 patent)Steven E CallahanRobert G Petit (1 patent)Steven E CallahanW Tyler Fitzsimmons (1 patent)Steven E CallahanJon Noce (1 patent)Steven E CallahanSteven E Callahan (7 patents)Todd K DymentTodd K Dyment (3 patents)William T FitzsimmonsWilliam T Fitzsimmons (3 patents)Tyler FitzsimmonsTyler Fitzsimmons (2 patents)Anthony L GelardiAnthony L Gelardi (65 patents)Robert G PetitRobert G Petit (4 patents)W Tyler FitzsimmonsW Tyler Fitzsimmons (2 patents)Jon NoceJon Noce (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Microplas, Inc. (7 from 10 patents)


7 patents:

1. 5921521 - Copy stand

2. 5775663 - Copy Stand

3. D388605 - Card case

4. 5632374 - Compact disc transfer station

5. 5509731 - Ejecting storage case

6. 5464091 - Protective covers

7. 5415298 - Recorded medium storage case

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idiyas.com
as of
1/11/2026
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