Growing community of inventors

Tokyo, Japan

Katsuyoshi Chiba

Average Co-Inventor Count = 5.49

ph-index = 3

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 = 36

Katsuyoshi ChibaToshiro Sone (4 patents)Katsuyoshi ChibaSatoshi Yoshikawa (2 patents)Katsuyoshi ChibaNaoki Izawa (2 patents)Katsuyoshi ChibaKouji Miyazaki (2 patents)Katsuyoshi ChibaTomoko Hanamizu (2 patents)Katsuyoshi ChibaRyoko Iizuka (2 patents)Katsuyoshi ChibaTakashi Kinoshita (1 patent)Katsuyoshi ChibaKoji Miyazaki (1 patent)Katsuyoshi ChibaRitsuo Aiyama (1 patent)Katsuyoshi ChibaYoshio Hiraki (1 patent)Katsuyoshi ChibaMakoto Ohwaki (1 patent)Katsuyoshi ChibaMinoru Ichioka (1 patent)Katsuyoshi ChibaFukiko Nishisaka (1 patent)Katsuyoshi ChibaTomoko Kurasawa (1 patent)Katsuyoshi ChibaSachiko Matsumoto (1 patent)Katsuyoshi ChibaNaohito Saito (1 patent)Katsuyoshi ChibaNaomi Kondo (1 patent)Katsuyoshi ChibaSaho Sugimoto (0 patent)Katsuyoshi ChibaKatsuyoshi Chiba (5 patents)Toshiro SoneToshiro Sone (9 patents)Satoshi YoshikawaSatoshi Yoshikawa (21 patents)Naoki IzawaNaoki Izawa (6 patents)Kouji MiyazakiKouji Miyazaki (5 patents)Tomoko HanamizuTomoko Hanamizu (2 patents)Ryoko IizukaRyoko Iizuka (2 patents)Takashi KinoshitaTakashi Kinoshita (16 patents)Koji MiyazakiKoji Miyazaki (10 patents)Ritsuo AiyamaRitsuo Aiyama (6 patents)Yoshio HirakiYoshio Hiraki (4 patents)Makoto OhwakiMakoto Ohwaki (2 patents)Minoru IchiokaMinoru Ichioka (1 patent)Fukiko NishisakaFukiko Nishisaka (1 patent)Tomoko KurasawaTomoko Kurasawa (1 patent)Sachiko MatsumotoSachiko Matsumoto (1 patent)Naohito SaitoNaohito Saito (1 patent)Naomi KondoNaomi Kondo (1 patent)Saho SugimotoSaho Sugimoto (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Yakult Honsha (5 from 210 patents)


5 patents:

1. 8591882 - Cytoprotective agent

2. 8101211 - Compositions for retarding skin aging

3. 8088369 - Anti-wrinkle agent

4. 7090875 - External skin preparations and process for producing the same

5. 6461627 - Skin preparations for external use

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as of
12/7/2025
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