Growing community of inventors

Nara, Japan

Sadao Tachikawa

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 = 16

Sadao Tachikawa ↔ Junichiro Shigemasa (1 patent)Sadao Tachikawa ↔ Takashi Ohno (1 patent)Sadao TachikawaSadao Tachikawa (1 patent)Junichiro ShigemasaJunichiro Shigemasa (4 patents)Takashi OhnoTakashi Ohno (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Kabushiki Kaisha Corporation (1 from 25,543 patents)


1 patent:

1. 4132899 - Liquid-level detector

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12/20/2025
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