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Wembley, United Kingdom

David A Hallbery

Average Co-Inventor Count = 2.90

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 = 2

David A HallberyAnthony M Barnett (3 patents)David A HallberyJulie Baker (1 patent)David A HallberyColin J Gray (1 patent)David A HallberyJeffrey K Green (1 patent)David A HallberyRoger J Owers (1 patent)David A HallberyDavid A Hallbery (3 patents)Anthony M BarnettAnthony M Barnett (7 patents)Julie BakerJulie Baker (20 patents)Colin J GrayColin J Gray (11 patents)Jeffrey K GreenJeffrey K Green (9 patents)Roger J OwersRoger J Owers (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eastman-kodak Company (3 from 21,594 patents)


3 patents:

1. 5322759 - Photographic donor material with non-photosensitive silver halide layer

2. 5308746 - Silver image bleaching solution and process

3. 5013638 - Photographic silver halide element containing small amounts of bromide

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idiyas.com
as of
12/14/2025
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