Growing community of inventors

Tokyo, Japan

Ryoya Ito

Average Co-Inventor Count = 5.36

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 = 0

Ryoya ItoKouichi Nagai (3 patents)Ryoya ItoYuko Nagare (2 patents)Ryoya ItoKei Ujimoto (2 patents)Ryoya ItoKazuyuki Miyazawa (1 patent)Ryoya ItoSatoshi Yamaki (1 patent)Ryoya ItoTetsuya Kanemaru (1 patent)Ryoya ItoMarianne Ayaka Touati (1 patent)Ryoya ItoBianca Mccarthy (1 patent)Ryoya ItoRenaud Gillet (1 patent)Ryoya ItoShiho Iwami (1 patent)Ryoya ItoRyoya Ito (3 patents)Kouichi NagaiKouichi Nagai (78 patents)Yuko NagareYuko Nagare (14 patents)Kei UjimotoKei Ujimoto (6 patents)Kazuyuki MiyazawaKazuyuki Miyazawa (35 patents)Satoshi YamakiSatoshi Yamaki (12 patents)Tetsuya KanemaruTetsuya Kanemaru (8 patents)Marianne Ayaka TouatiMarianne Ayaka Touati (6 patents)Bianca MccarthyBianca Mccarthy (1 patent)Renaud GilletRenaud Gillet (1 patent)Shiho IwamiShiho Iwami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shiseido Company, Limited (3 from 1,008 patents)


3 patents:

1. 12440431 - Cosmetic comprising ultraviolet wavelength conversion substance

2. 12161740 - Cosmetic product

3. 11638686 - Cosmetic preparation

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as of
1/13/2026
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