Growing community of inventors

Alexandria, VA, United States of America

Daniel Ratchford

Average Co-Inventor Count = 6.00

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 = 0

Daniel Ratchford ↔ Pehr E Pehrsson (2 patents)Daniel Ratchford ↔ Christopher Field (2 patents)Daniel Ratchford ↔ Junghoon Yeom (2 patents)Daniel Ratchford ↔ Kevin J Johnson (2 patents)Daniel Ratchford ↔ Braden C Giordano (2 patents)Daniel RatchfordDaniel Ratchford (2 patents)Pehr E PehrssonPehr E Pehrsson (13 patents)Christopher FieldChristopher Field (9 patents)Junghoon YeomJunghoon Yeom (7 patents)Kevin J JohnsonKevin J Johnson (6 patents)Braden C GiordanoBraden C Giordano (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. USA As Represented by Secretary of the Navy (2 from 16,083 patents)


2 patents:

1. 11046579 - Nanowire arrays for trace vapor preconcentration

2. 10501316 - Nanowire arrays for trace vapor preconcentration

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as of
1/2/2026
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