Growing community of inventors

San Luis Obispo, CA, United States of America

Ronald L Underwood

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 54

Ronald L UnderwoodHenry Welling Lane (4 patents)Ronald L UnderwoodRonald L Underwood (4 patents)Henry Welling LaneHenry Welling Lane (108 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Dioptics Medical Products, Inc. (4 from 126 patents)


4 patents:

1. 6609255 - Optically correct and clear eyeshields

2. D467959 - Eyeshield

3. D462374 - Eyeshield

4. D457908 - Eyeshields

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idiyas.com
as of
12/13/2025
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