Growing community of inventors

Kawasaki, Japan

Katsuo Sakai

Average Co-Inventor Count = 3.00

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 = 26

Katsuo Sakai ↔ Yukio Sakai (1 patent)Katsuo Sakai ↔ Tadahiko Muromachi (1 patent)Katsuo SakaiKatsuo Sakai (1 patent)Yukio SakaiYukio Sakai (2 patents)Tadahiko MuromachiTadahiko Muromachi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kiso-jiban Consultants Co., Ltd. (1 from 2 patents)


1 patent:

1. 4806153 - Method and apparatus for investigating subsurface conditions

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as of
12/13/2025
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