Growing community of inventors

Tokyo, Japan

Kumiko Yokonuma

Average Co-Inventor Count = 2.40

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 = 16

Kumiko YokonumaKaori Tokui (2 patents)Kumiko YokonumaMasaru Nakamura (1 patent)Kumiko YokonumaYouko Suda (1 patent)Kumiko YokonumaAki Sato (1 patent)Kumiko YokonumaYouku Suda (0 patent)Kumiko YokonumaKumiko Yokonuma (3 patents)Kaori TokuiKaori Tokui (2 patents)Masaru NakamuraMasaru Nakamura (127 patents)Youko SudaYouko Suda (2 patents)Aki SatoAki Sato (1 patent)Youku SudaYouku Suda (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gc Corporation (3 from 302 patents)


3 patents:

1. 12220289 - Dental floss, continuous dental floss, and method for manufacturing continuous dental floss

2. D699036 - Tooth brush

3. D684724 - Dental flossing tool

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as of
12/17/2025
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