Growing community of inventors

Hannover, Germany

Michael Theissen

Average Co-Inventor Count = 4.80

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 = 18

Michael TheissenAlfred Siggel (2 patents)Michael TheissenMichael Fooken (2 patents)Michael TheissenAndreas Kanschik-Conradsen (1 patent)Michael TheissenFrank Nerenz (1 patent)Michael TheissenSonja Demel (1 patent)Michael TheissenChristian Liepelt (1 patent)Michael TheissenMichael Theissen (2 patents)Alfred SiggelAlfred Siggel (12 patents)Michael FookenMichael Fooken (8 patents)Andreas Kanschik-ConradsenAndreas Kanschik-Conradsen (12 patents)Frank NerenzFrank Nerenz (5 patents)Sonja DemelSonja Demel (4 patents)Christian LiepeltChristian Liepelt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honeywell International Inc. (2 from 15,608 patents)

2. Honeywell Specialty Chemicals Seelze Gmbh (0 patent)


2 patents:

1. 7641807 - Direct process for the manufacture of tetraalkylammonium tetrafluoroborate-containing electrolyte compositions

2. 7601871 - Method for purifying quaternary onium salts

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as of
12/29/2025
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