Growing community of inventors

Isahaya, Japan

Yoshitaka Tanaka

Average Co-Inventor Count = 1.00

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 = 8

Yoshitaka TanakaYoshitaka Tanaka (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Birumen Kagoshima Co., Ltd. (2 from 4 patents)


2 patents:

1. 6848133 - Care bed

2. 6785916 - Care bedpan and a care bedpan system

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as of
12/12/2025
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