Growing community of inventors

Sidoarjo, Indonesia

Sudirman Widiarto

Average Co-Inventor Count = 2.00

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 = 0

Sudirman Widiarto ↔ Ahmad Fashihul Lisan (1 patent)Sudirman Widiarto ↔ Patrick Meredith (1 patent)Sudirman Widiarto ↔ Patrick Meredith (0 patent)Sudirman Widiarto ↔ Michael Gregg (0 patent)Sudirman Widiarto ↔ Robert Whiffen (0 patent)Sudirman Widiarto ↔ Paul Morris (0 patent)Sudirman Widiarto ↔ N/a Wuryanto (0 patent)Sudirman Widiarto ↔ Eko Subakti (0 patent)Sudirman Widiarto ↔ Andri Suroso (0 patent)Sudirman WidiartoSudirman Widiarto (1 patent)Ahmad Fashihul LisanAhmad Fashihul Lisan (4 patents)Patrick MeredithPatrick Meredith (1 patent)Patrick MeredithPatrick Meredith (0 patent)Michael GreggMichael Gregg (0 patent)Robert WhiffenRobert Whiffen (0 patent)Paul MorrisPaul Morris (0 patent)N/a WuryantoN/a Wuryanto (0 patent)Eko SubaktiEko Subakti (0 patent)Andri SurosoAndri Suroso (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Essentra Filter Products Development Co. Pte. Ltd (1 from 12 patents)

2. Filtrona Plc (2 patents)


1 patent:

1. 9730469 - Tobacco smoke filter

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as of
12/19/2025
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