Growing community of inventors

Tsukubamirai, Japan

Yuka Shiohama

Average Co-Inventor Count = 4.00

ph-index = 4

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 = 50

Yuka Shiohama ↔ Akira Tadano (4 patents)Yuka Shiohama ↔ Takayuki Toshida (4 patents)Yuka Shiohama ↔ Takashi Yasuoka (4 patents)Yuka ShiohamaYuka Shiohama (4 patents)Akira TadanoAkira Tadano (31 patents)Takayuki ToshidaTakayuki Toshida (29 patents)Takashi YasuokaTakashi Yasuoka (17 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Smc Corporation (4 from 1,461 patents)


4 patents:

1. D643091 - Ionizer

2. D639898 - Ionizer

3. D636840 - Ionizer

4. D636841 - Ionizer

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as of
12/15/2025
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