Growing community of inventors

Noblesville, IN, United States of America

Ronald J Krefta

Average Co-Inventor Count = 4.00

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

Ronald J KreftaJames E Walters (1 patent)Ronald J KreftaCaleb Wayne Secrest (1 patent)Ronald J KreftaFranklin L Forbes (1 patent)Ronald J KreftaDuane Joseph Buening (5 patents)Ronald J KreftaHassan H Eldeeb (1 patent)Ronald J KreftaUjjwal Kumar (1 patent)Ronald J KreftaRonald J Krefta (1 patent)James E WaltersJames E Walters (1 patent)Caleb Wayne SecrestCaleb Wayne Secrest (9 patents)Franklin L ForbesFranklin L Forbes (1 patent)Duane Joseph BueningDuane Joseph Buening (5 patents)Hassan H EldeebHassan H Eldeeb (3 patents)Ujjwal KumarUjjwal Kumar (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Borgwarner Inc. (1 from 2,683 patents)

2. Remy Technologies, LLC (206 patents)

3. Franklin L. Forbes (0 patent)

4. Ronald J. Krefta (0 patent)


1 patent:

1. 12459376 - Optimization of switching frequency and pulse width modulation technique for traction power inverters

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1/7/2026
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