Growing community of inventors

Flushing, NY, United States of America

John W Dittrick

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 = 6

John W DittrickBrian J Willis (4 patents)John W DittrickJohn W Dittrick (4 patents)Brian J WillisBrian J Willis (33 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fritzsche Dodge & Olcott Inc. (4 from 39 patents)


4 patents:

1. 4276220 - Novel norbornyl-substituted pyrans, method for their synthesis and use

2. 4271046 - Novel norcamphanyl-substituted pyrans, method for their synthesis and

3. 4221679 - Norbornyl-substituted pyran perfumes

4. 4197246 - Novel norcamphanyl-substituted pyrans, method for their synthesis and

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as of
12/16/2025
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