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Portland, OR, United States of America

John D Richartz

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 = 3

John D RichartzJohn S Miller (2 patents)John D RichartzSonia F Blohm (1 patent)John D RichartzJohn D Richartz (3 patents)John S MillerJohn S Miller (18 patents)Sonia F BlohmSonia F Blohm (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Grape Technology Group, Inc. (2 from 70 patents)

2. Other (1 from 832,680 patents)


3 patents:

1. 8693672 - Technique for effectively assisting a user during an information assistance call

2. 8488767 - Technique for selective presentation of information in response to a request for information assistance service

3. 7711745 - Technique for selective presentation of information in response to a request for information assistance service

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as of
12/8/2025
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