Growing community of inventors

Chicago, IL, United States of America

John Ledingham

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 57

John LedinghamShivaprasad Dhanapal (2 patents)John LedinghamRoy J Rozek (1 patent)John LedinghamTodd W Leonhard (1 patent)John LedinghamJeff H Behnke (1 patent)John LedinghamJohn Ledingham (3 patents)Shivaprasad DhanapalShivaprasad Dhanapal (8 patents)Roy J RozekRoy J Rozek (28 patents)Todd W LeonhardTodd W Leonhard (13 patents)Jeff H BehnkeJeff H Behnke (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rubbermaid Health Care Products, Inc. (2 from 8 patents)

2. Thomas Industries, Inc. (1 from 159 patents)


3 patents:

1. D378128 - Cabinet for nebulizer

2. D375854 - Leg for chair

3. D375638 - Transfer bench for bathtub

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idiyas.com
as of
12/24/2025
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