Growing community of inventors

Mansfield, MA, United States of America

Stephen H Ip

Average Co-Inventor Count = 2.00

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 = 60

Stephen H IpRobert A Hoffman (1 patent)Stephen H IpStephen H Ip (1 patent)Robert A HoffmanRobert A Hoffman (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ortho Diagnostics Systems, Inc. (1 from 4 patents)


1 patent:

1. 4492752 - Method for discriminating between unstained and absorbing dye stained

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12/11/2025
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