Growing community of inventors

Kagawa, Japan

Yumei Takahashi

Average Co-Inventor Count = 2.14

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 = 3

Yumei TakahashiYasuhiro Sasano (5 patents)Yumei TakahashiTakayuki Matsuo (1 patent)Yumei TakahashiYumei Takahashi (5 patents)Yasuhiro SasanoYasuhiro Sasano (22 patents)Takayuki MatsuoTakayuki Matsuo (40 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unicharm Corporation (5 from 1,645 patents)


5 patents:

1. 10631518 - Absorbent sheet for pets

2. 10617095 - Absorbent sheet for pets

3. 10383309 - Excrement hiding absorbent sheet for pets

4. 9532547 - Absorbent sheet for pets

5. 9526227 - Animal excretion disposal sheet

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as of
12/7/2025
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