Growing community of inventors

Dendermonde, Belgium

Raoul E Keereman

Average Co-Inventor Count = 5.00

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 = 3

Raoul E Keereman ↔ Martinus P Van Den Thillart (1 patent)Raoul E Keereman ↔ Dirk De Boe (1 patent)Raoul E Keereman ↔ Wilhelmus H Evers (1 patent)Raoul E Keereman ↔ Johannes A Das (1 patent)Raoul E KeeremanRaoul E Keereman (1 patent)Martinus P Van Den ThillartMartinus P Van Den Thillart (3 patents)Dirk De BoeDirk De Boe (1 patent)Wilhelmus H EversWilhelmus H Evers (1 patent)Johannes A DasJohannes A Das (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (1 from 14,087 patents)


1 patent:

1. 5771304 - Apparatus including a loudspeaker unit, loudspeaker unit, and housing

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as of
12/12/2025
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