Growing community of inventors

Eindhoven, Netherlands

Changlong Ning

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 = 1

Changlong NingPeter Jozef Vrugt (1 patent)Changlong NingChanglong Ning (1 patent)Peter Jozef VrugtPeter Jozef Vrugt (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koninklijke Philips Corporation N.V. (1 from 21,376 patents)


1 patent:

1. 8564200 - Metal halide lamp

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as of
12/21/2025
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