Growing community of inventors

Northbrook, IL, United States of America

John S Yang

Average Co-Inventor Count = 1.20

ph-index = 3

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 = 29

John S YangDale A Eick (1 patent)John S YangJohn S Yang (3 patents)Dale A EickDale A Eick (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Block and Company, Inc. (3 from 51 patents)


3 patents:

1. 6352162 - Interlocking bookends

2. 5502294 - Cash box with bill weights

3. 5441448 - Coin counting and holding device

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idiyas.com
as of
12/10/2025
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