Growing community of inventors

Vlaardingen, Netherlands

Harmannus Tammes

Average Co-Inventor Count = 4.36

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 = 39

Harmannus TammesSeeng Djiang Liem (2 patents)Harmannus TammesGuido Clemens Van Den Brom (1 patent)Harmannus TammesGilbert Martin Verschelling (1 patent)Harmannus TammesRene Lammers (1 patent)Harmannus TammesAlastair Richard Sanderson (1 patent)Harmannus TammesRonaldus Wilhelmus Johannes Westerhout (1 patent)Harmannus TammesArie Vermaas (1 patent)Harmannus TammesBart Slenderbroek (1 patent)Harmannus TammesHarmannus Tammes (2 patents)Seeng Djiang LiemSeeng Djiang Liem (12 patents)Guido Clemens Van Den BromGuido Clemens Van Den Brom (7 patents)Gilbert Martin VerschellingGilbert Martin Verschelling (6 patents)Rene LammersRene Lammers (2 patents)Alastair Richard SandersonAlastair Richard Sanderson (1 patent)Ronaldus Wilhelmus Johannes WesterhoutRonaldus Wilhelmus Johannes Westerhout (1 patent)Arie VermaasArie Vermaas (1 patent)Bart SlenderbroekBart Slenderbroek (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unilever Home and Personal Care Usa, Division of Conopco, Inc. (1 from 755 patents)

2. Lever Brothers Company, Division of Conopco, Inc. (1 from 588 patents)


2 patents:

1. 6242403 - Detergent compositions

2. 5719111 - Process for preparing a solid detergent block

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as of
12/16/2025
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