Growing community of inventors

Grand Rapids, MI, United States of America

Daniel R Johnson-Zeh

Average Co-Inventor Count = 2.57

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 = 38

Daniel R Johnson-ZehDavid K Jones (2 patents)Daniel R Johnson-ZehCurtis G Berndt (2 patents)Daniel R Johnson-ZehThomas E Hendershot (1 patent)Daniel R Johnson-ZehDaniel R Johnson-Zeh (3 patents)David K JonesDavid K Jones (31 patents)Curtis G BerndtCurtis G Berndt (9 patents)Thomas E HendershotThomas E Hendershot (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steelcase Inc. (3 from 1,810 patents)


3 patents:

1. 6343775 - Keyboard support with quick connect

2. 6135405 - Tilt lockout for articulated keyboard supports

3. 5636822 - Computer mouse support

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as of
1/5/2026
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