Growing community of inventors

Braunfels, Germany

Heinrich Janke

Average Co-Inventor Count = 2.93

ph-index = 6

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 = 95

Heinrich JankeHans-Kurt Uellenberg (7 patents)Heinrich JankeAlfred Hengst (6 patents)Heinrich JankeHeinz Keiner (4 patents)Heinrich JankeH Peter Farnung (2 patents)Heinrich JankeWinfried Kraft (1 patent)Heinrich JankeRobert Lisfeld (1 patent)Heinrich JankeKarl Wieber (1 patent)Heinrich JankeHeinrich Janke (10 patents)Hans-Kurt UellenbergHans-Kurt Uellenberg (8 patents)Alfred HengstAlfred Hengst (19 patents)Heinz KeinerHeinz Keiner (8 patents)H Peter FarnungH Peter Farnung (4 patents)Winfried KraftWinfried Kraft (12 patents)Robert LisfeldRobert Lisfeld (11 patents)Karl WieberKarl Wieber (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ernst Leitz Wetzlar Gmbh (8 from 168 patents)

2. Leica Camera Gmbh (2 from 14 patents)


10 patents:

1. D332106 - Pair of binoculars

2. D332107 - Pair of binoculars

3. D292412 - Binocular

4. D287369 - Binocular

5. D276351 - Inverted image microscope

6. D272361 - Binocular

7. D272362 - Binocular

8. D267884 - Mirror reflex camera

9. D263057 - Microscope

10. 4283111 - Microscope stand with protected turret

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idiyas.com
as of
12/18/2025
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