Growing community of inventors

Pittsburgh, PA, United States of America

David Hoysan

Average Co-Inventor Count = 1.33

ph-index = 1

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 = 2

David HoysanMatthew Answine (1 patent)David HoysanDavid Hoysan (2 patents)Matthew AnswineMatthew Answine (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koninklijke Philips Corporation N.V. (2 from 21,384 patents)


2 patents:

1. 11304863 - System and method for mounting ventilator on wheelchair

2. 10869976 - Ventilator mount system

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as of
12/27/2025
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