Growing community of inventors

Northants, United Kingdom

William John Stewart

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 46

William John Stewart ↔ Roger William Whatmore (1 patent)William John Stewart ↔ Ian Bennion (1 patent)William John Stewart ↔ Mervyn R Goddard (1 patent)William John Stewart ↔ Jamie Carl Martin (1 patent)William John Stewart ↔ Brian Charles Fletcher (1 patent)William John Stewart ↔ Malcolm John McBride (1 patent)William John Stewart ↔ Douglas James Barnes (1 patent)William John StewartWilliam John Stewart (3 patents)Roger William WhatmoreRoger William Whatmore (16 patents)Ian BennionIan Bennion (14 patents)Mervyn R GoddardMervyn R Goddard (5 patents)Jamie Carl MartinJamie Carl Martin (1 patent)Brian Charles FletcherBrian Charles Fletcher (1 patent)Malcolm John McBrideMalcolm John McBride (1 patent)Douglas James BarnesDouglas James Barnes (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Plessey Overseas Limited (2 from 271 patents)

2. Thomas J. Lipton Co., Division of Conopco, Inc. (1 from 51 patents)


3 patents:

1. 6270817 - Crumb coating composition

2. 4939793 - Integrated circuit assembly with optically coupled components

3. 4867543 - Spatial light modulator

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as of
12/20/2025
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