Growing community of inventors

Mountain View, CA, United States of America

David S Spence

Average Co-Inventor Count = 4.00

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 = 6

David S Spence ↔ James D Kafka (1 patent)David S Spence ↔ Alan W Petersen (1 patent)David S Spence ↔ Hanna J Hoffman (1 patent)David S SpenceDavid S Spence (1 patent)James D KafkaJames D Kafka (46 patents)Alan W PetersenAlan W Petersen (24 patents)Hanna J HoffmanHanna J Hoffman (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Spectra-physics Gmbh (1 from 309 patents)


1 patent:

1. 7292387 - Methods and systems to enhance multiple wave mixing process

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as of
12/27/2025
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