Growing community of inventors

Birmingham, United Kingdom

Roger Leonard Holder

Average Co-Inventor Count = 5.00

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 = 12

Roger Leonard HolderRoger A Bunce (1 patent)Roger Leonard HolderGeoffrey Stuart Greaves (1 patent)Roger Leonard HolderIan Robert Clark (1 patent)Roger Leonard HolderAnn Margaret Peters (1 patent)Roger Leonard HolderRoger Leonard Holder (1 patent)Roger A BunceRoger A Bunce (22 patents)Geoffrey Stuart GreavesGeoffrey Stuart Greaves (3 patents)Ian Robert ClarkIan Robert Clark (1 patent)Ann Margaret PetersAnn Margaret Peters (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Secretary of State for Social Services in Her Britannic Majesty's (1 from 9 patents)


1 patent:

1. 4056361 - Vial or other container, and carrier therefor

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as of
12/17/2025
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