Growing community of inventors

Yamato, Japan

Tsukasa Yoshikawa

Average Co-Inventor Count = 2.00

ph-index = 2

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

Tsukasa Yoshikawa ↔ Kisaburo Yamaguchi (3 patents)Tsukasa YoshikawaTsukasa Yoshikawa (3 patents)Kisaburo YamaguchiKisaburo Yamaguchi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokai Kogyo Kabushiki Kaisha (3 from 124 patents)


3 patents:

1. 4324341 - Easily openable cover member

2. 4324342 - Easily openable cover member

3. 4256239 - Easily openable cover member

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as of
12/11/2025
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