Growing community of inventors

Kelkheim, Germany

Frank Alfter

Average Co-Inventor Count = 3.43

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 = 4

Frank Alfter ↔ Gustav Kapaun (2 patents)Frank Alfter ↔ Erwin Dietz (1 patent)Frank Alfter ↔ Siegfried Schiessler (1 patent)Frank Alfter ↔ Rudiger Jung (1 patent)Frank AlfterFrank Alfter (2 patents)Gustav KapaunGustav Kapaun (9 patents)Erwin DietzErwin Dietz (67 patents)Siegfried SchiesslerSiegfried Schiessler (15 patents)Rudiger JungRudiger Jung (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoechst Aktiengesellschaft (2 from 6,662 patents)


2 patents:

1. 5716446 - Isoindoline pigments based on aminoquinoxalinediones

2. 5698705 - Isoindoline pigments

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/12/2025
Loading…