Growing community of inventors

Burlington, MA, United States of America

John De Piano

Average Co-Inventor Count = 3.69

ph-index = 4

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 = 88

John De PianoLorrayne Yen Chu (3 patents)John De PianoMay Mu (3 patents)John De PianoPhilip H Parda (2 patents)John De PianoMark W Smithers (1 patent)John De PianoRobert Treiber, Ii (1 patent)John De PianoKevin P Kellar (1 patent)John De PianoJohn De Piano (4 patents)Lorrayne Yen ChuLorrayne Yen Chu (5 patents)May MuMay Mu (5 patents)Philip H PardaPhilip H Parda (2 patents)Mark W SmithersMark W Smithers (3 patents)Robert Treiber, IiRobert Treiber, Ii (1 patent)Kevin P KellarKevin P Kellar (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. New Basics, Incorporated (3 from 5 patents)

2. Dek Printing Machines, Ltd. (1 from 7 patents)


4 patents:

1. 6691712 - Hair dye applicator

2. 6357449 - Hair dye applicator

3. 6145513 - Hair dye applicator

4. 6032788 - Multi-rail board transport system

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as of
1/21/2026
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