Growing community of inventors

Palos Verdes Estates, CA, United States of America

Hsing-Min Keng

Average Co-Inventor Count = 1.50

ph-index = 2

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 = 17

Hsing-Min KengRichard W McDowell (2 patents)Hsing-Min KengHsing-Min Keng (3 patents)Richard W McDowellRichard W McDowell (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Jimway Inc. (2 from 20 patents)

2. Cordelia Lighting, Inc. (1 from 56 patents)


3 patents:

1. D374107 - Glass shade cup with three horizontal lines

2. D368977 - Prism glass octagonal lampshade

3. D366724 - Lampshade

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as of
12/16/2025
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