Growing community of inventors

Taipei, Taiwan

Johnson Ys Chang

Average Co-Inventor Count = 5.00

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 = 4

Johnson Ys ChangChih-Wen Su (2 patents)Johnson Ys ChangJeffrey Ch Liu (2 patents)Johnson Ys ChangIvan Nestlerode (2 patents)Johnson Ys ChangGiant H M Tu (1 patent)Johnson Ys ChangGiant Tu (1 patent)Johnson Ys ChangJohnson Ys Chang (2 patents)Chih-Wen SuChih-Wen Su (36 patents)Jeffrey Ch LiuJeffrey Ch Liu (9 patents)Ivan NestlerodeIvan Nestlerode (3 patents)Giant H M TuGiant H M Tu (5 patents)Giant TuGiant Tu (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (2 from 164,197 patents)


2 patents:

1. 9489234 - Dynamically adjusting a log level of a transaction

2. 9459911 - Dynamically adjusting a log level of a transaction

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as of
12/29/2025
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