Growing community of inventors

San Diego, CA, United States of America

Nathaniel Gerald Portney

Average Co-Inventor Count = 1.25

ph-index = 5

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 = 188

Nathaniel Gerald PortneyValdemar Portney (4 patents)Nathaniel Gerald PortneyNathaniel Gerald Portney (10 patents)Valdemar PortneyValdemar Portney (78 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (6 from 832,761 patents)

2. Visiogen, Inc. (1 from 38 patents)


10 patents:

1. 10181013 - Cartridge-based medication dispensing

2. 9965594 - Digital dispenser system

3. 9622855 - Remote multifocal to monofocal optic conversion

4. 9510939 - Multi-mode operating optic for presbyopia correction

5. 9248247 - Capsular medication delivery and inhalation device

6. 8397946 - Cartridge based dispenser system

7. D645657 - Dispenser cartridge

8. D633291 - Push button dispenser

9. D609000 - Product container

10. 7238201 - Accommodating intraocular lens system with enhanced range of motion

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idiyas.com
as of
12/16/2025
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