Growing community of inventors

San Jose, CA, United States of America

John Dangtran

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 = 9

John DangtranRoger Horton (1 patent)John DangtranJohn Dangtran (1 patent)Roger HortonRoger Horton (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. S3c, Inc. (1 from 8 patents)

2. Nagano Keiki Co., Ltd. (64 patents)


1 patent:

1. 8643127 - Sensor device packaging

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1/18/2026
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