Growing community of inventors

Sumida-ku, Japan

Ryo Kusaka

Average Co-Inventor Count = 4.00

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

Ryo KusakaHirokazu Takahashi (3 patents)Ryo KusakaMasahiro Fukuda (3 patents)Ryo KusakaEri Itaya (3 patents)Ryo KusakaRyo Kusaka (3 patents)Hirokazu TakahashiHirokazu Takahashi (121 patents)Masahiro FukudaMasahiro Fukuda (90 patents)Eri ItayaEri Itaya (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (3 from 3,607 patents)


3 patents:

1. 8455034 - Green tea drink packed in container

2. 8440246 - Beverage packed in container

3. 8367140 - Concentrate composition for drink from concentrate

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as of
1/16/2026
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