Growing community of inventors

Midland, MI, United States of America

Mark D Heires

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 19

Mark D Heires ↔ David Schrader (2 patents)Mark D Heires ↔ Mark E Soderquist (2 patents)Mark D HeiresMark D Heires (2 patents)David SchraderDavid Schrader (7 patents)Mark E SoderquistMark E Soderquist (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Dow Chemical Company (2 from 7,680 patents)


2 patents:

1. 5491195 - Rubber modified polystyrene

2. 5428106 - Rubber modified polystyrene

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as of
12/31/2025
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