Growing community of inventors

Leduc, Canada

James Keirstead

Average Co-Inventor Count = 1.50

ph-index = 4

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 = 84

James KeirsteadJim Qualie (2 patents)James KeirsteadYi Dong (2 patents)James KeirsteadJames Keirstead (4 patents)Jim QualieJim Qualie (3 patents)Yi DongYi Dong (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Levven Automation Inc. (4 from 5 patents)


4 patents:

1. D864879 - Light switch

2. D809465 - Light switch controller

3. 9743497 - Wireless light switch system and method, load controller device, and remote switch device

4. 9401252 - Wireless light switch system and method, remote switch device, and load controller device

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as of
12/20/2025
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