Growing community of inventors

Minneapolis, MN, United States of America

Kristen A Hoff

Average Co-Inventor Count = 2.67

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 = 42

Kristen A Hoff ↔ Roger A Mader (1 patent)Kristen A Hoff ↔ Louis M Leichter (1 patent)Kristen A Hoff ↔ David C Weigel (1 patent)Kristen A Hoff ↔ Robert A Frenchik (1 patent)Kristen A HoffKristen A Hoff (2 patents)Roger A MaderRoger A Mader (31 patents)Louis M LeichterLouis M Leichter (17 patents)David C WeigelDavid C Weigel (13 patents)Robert A FrenchikRobert A Frenchik (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 3M Innovative Properties Company (2 from 22,077 patents)


2 patents:

1. 4782010 - Photohermographic emulsions having stable color forming developers

2. 4452883 - Barrier resin for photothermographic color separation

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as of
1/20/2026
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