Growing community of inventors

East Longmeadow, MA, United States of America

Mark B Johnson-Williams

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 = 86

Mark B Johnson-Williams ↔ Theodore N Madison (1 patent)Mark B Johnson-Williams ↔ William Berliner (1 patent)Mark B Johnson-Williams ↔ Eugene A Murtha (1 patent)Mark B Johnson-Williams ↔ Michael C Cartabiano (1 patent)Mark B Johnson-WilliamsMark B Johnson-Williams (2 patents)Theodore N MadisonTheodore N Madison (8 patents)William BerlinerWilliam Berliner (3 patents)Eugene A MurthaEugene A Murtha (1 patent)Michael C CartabianoMichael C Cartabiano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Coleco Industries, Inc. (1 from 61 patents)

2. Milton Bradley International, Inc. (1 from 18 patents)


2 patents:

1. 4820236 - Doll with sensing switch

2. 4642710 - Animated display controlled by an audio device

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idiyas.com
as of
12/31/2025
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