Growing community of inventors

Osaka, Japan

Tomoya Sumitsuji

Average Co-Inventor Count = 1.20

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

Tomoya SumitsujiAkio Hayashi (1 patent)Tomoya SumitsujiTomoya Sumitsuji (4 patents)Akio HayashiAkio Hayashi (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Doggyman H. A. Co., Ltd. (4 from 8 patents)


4 patents:

1. 12457992 - Feeding tool

2. 12156515 - Feeding tool for pets

3. 11213011 - Massaging tool for pets

4. 8631768 - Method for manufacturing toy for cat and the toy for cat

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as of
12/10/2025
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