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New York, NY, United States of America

Friedhelm Helling

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 8

Friedhelm HellingPhilip O Livingston (5 patents)Friedhelm HellingFriedhelm Helling (5 patents)Philip O LivingstonPhilip O Livingston (33 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sloan-kettering Institute for Cancer Research (4 from 512 patents)

2. Sloan-kettering Institute for Cancer Institute (1 from 1 patent)


5 patents:

1. 7014856 - Ganglioside-KLH conjugate vaccines plus OS-21

2. 7001601 - Ganglioside-KLH conjugate vaccine plus QS-21

3. 6967022 - Ganglioside-KLH conjugate vaccines plus QS-21

4. 6936253 - Ganglioside-KLH conjugate vaccines plus QS-21

5. 6916476 - Ganglioslide-KLH conjugate vaccine plus QS-21

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as of
12/14/2025
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