Growing community of inventors

Irvine, CA, United States of America

Ryan S Stevenson

Average Co-Inventor Count = 2.67

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

Ryan S StevensonPeter M Coombs (1 patent)Ryan S StevensonMasakazu Takeuchi (1 patent)Ryan S StevensonKiichiro Noguchi (1 patent)Ryan S StevensonBradford Billings (1 patent)Ryan S StevensonRyan S Stevenson (2 patents)Peter M CoombsPeter M Coombs (29 patents)Masakazu TakeuchiMasakazu Takeuchi (5 patents)Kiichiro NoguchiKiichiro Noguchi (4 patents)Bradford BillingsBradford Billings (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,961 patents)

2. Gradco Japan Ltd. (1 from 60 patents)


2 patents:

1. 6250627 - Selective sheet delivery apparatus

2. 5947467 - Selectively adjustable decurler

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as of
1/14/2026
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