Growing community of inventors

Tokyo, Japan

Tadahiro Yamakawa

Average Co-Inventor Count = 2.00

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 = 19

Tadahiro YamakawaSei Kato (1 patent)Tadahiro YamakawaTadahiro Yamakawa (1 patent)Sei KatoSei Kato (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ge Yokogawa Medical Systems, Limited (1 from 99 patents)


1 patent:

1. 6217515 - Image display method and ultrasonic diagnostic apparatus

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12/15/2025
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