Growing community of inventors

Wuppertal, Germany

Helmut Graf

Average Co-Inventor Count = 1.71

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

Helmut GrafPeter Stampka (1 patent)Helmut GrafDetlef Houdeau (1 patent)Helmut GrafMichael Huber (1 patent)Helmut GrafJosef Heitzer (1 patent)Helmut GrafJurgen Fischer (1 patent)Helmut GrafHelmut Graf (2 patents)Peter StampkaPeter Stampka (38 patents)Detlef HoudeauDetlef Houdeau (24 patents)Michael HuberMichael Huber (15 patents)Josef HeitzerJosef Heitzer (8 patents)Jurgen FischerJurgen Fischer (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (1 from 30,045 patents)

2. Rebar Couplerbox, Inc. (1 from 1 patent)


2 patents:

1. 6088901 - Method for producing a carrier element for semiconductor chips

2. 5100738 - Reinforced concrete containing coated steel reinforcing member

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idiyas.com
as of
12/25/2025
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