Growing community of inventors

Yokohama, Japan

Yoshimaru Kumano

Average Co-Inventor Count = 2.78

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 = 146

Yoshimaru KumanoMichihiro Yamaguchi (4 patents)Yoshimaru KumanoMasanori Aizawa (2 patents)Yoshimaru KumanoAkira Noda (2 patents)Yoshimaru KumanoTomiyuki Nanba (1 patent)Yoshimaru KumanoKenzo Ito (1 patent)Yoshimaru KumanoHiroyuki Kakoki (1 patent)Yoshimaru KumanoSadaki Takata (1 patent)Yoshimaru KumanoShoji Nishiyama (1 patent)Yoshimaru KumanoMasaaki Ishiwatari (1 patent)Yoshimaru KumanoNaoki Tominaga (1 patent)Yoshimaru KumanoToshio Yoneyama (1 patent)Yoshimaru KumanoFumiaki Nakamura (1 patent)Yoshimaru KumanoShin Nakamura (1 patent)Yoshimaru KumanoHiromi Ito (1 patent)Yoshimaru KumanoShinji Tobe (1 patent)Yoshimaru KumanoHidekazu Toyoda (1 patent)Yoshimaru KumanoIto Kenzo (1 patent)Yoshimaru KumanoYoshimaru Kumano (7 patents)Michihiro YamaguchiMichihiro Yamaguchi (24 patents)Masanori AizawaMasanori Aizawa (20 patents)Akira NodaAkira Noda (4 patents)Tomiyuki NanbaTomiyuki Nanba (23 patents)Kenzo ItoKenzo Ito (16 patents)Hiroyuki KakokiHiroyuki Kakoki (16 patents)Sadaki TakataSadaki Takata (14 patents)Shoji NishiyamaShoji Nishiyama (11 patents)Masaaki IshiwatariMasaaki Ishiwatari (8 patents)Naoki TominagaNaoki Tominaga (7 patents)Toshio YoneyamaToshio Yoneyama (6 patents)Fumiaki NakamuraFumiaki Nakamura (4 patents)Shin NakamuraShin Nakamura (2 patents)Hiromi ItoHiromi Ito (2 patents)Shinji TobeShinji Tobe (1 patent)Hidekazu ToyodaHidekazu Toyoda (1 patent)Ito KenzoIto Kenzo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shiseido Company, Limited (6 from 1,007 patents)

2. Shideido Company Ltd. (1 from 1 patent)


7 patents:

1. 6231873 - Cosmetic containing fine soft microcapsules

2. 5753242 - External skin treatment composition

3. 5478560 - External dermatological composition

4. 5162377 - Transparent composition

5. 5089269 - Cosmetic containing fine soft microcapsules

6. 5015469 - Water-in-oil emulsion type cosmetics

7. 4035513 - Water-in-oil emulsifier compositions

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as of
12/5/2025
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