Growing community of inventors

Takatsuki, Japan

Atsushi Yamamoto

Average Co-Inventor Count = 2.00

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 = 121

Atsushi YamamotoKazumi Oishi (3 patents)Atsushi YamamotoKeisuke Kato (1 patent)Atsushi YamamotoAtsushi Yamamoto (4 patents)Kazumi OishiKazumi Oishi (4 patents)Keisuke KatoKeisuke Kato (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sunstar Inc. (2 from 57 patents)

2. Sunstar Kabushiki Kaisha (2 from 35 patents)


4 patents:

1. D765988 - Interdental cleaning tool

2. 5799353 - Toothbrush

3. D387206 - toothbrush head

4. D383608 - Toothbrush

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idiyas.com
as of
12/20/2025
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