Growing community of inventors

Sugito-machi, Japan

Shizuo Hayashi

Average Co-Inventor Count = 3.14

ph-index = 7

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 = 147

Shizuo HayashiHiroshi Watanabe (3 patents)Shizuo HayashiTakeo Okumura (3 patents)Shizuo HayashiHisao Tsutsumi (3 patents)Shizuo HayashiAtsuo Ishida (3 patents)Shizuo HayashiToshiro Asakawa (3 patents)Shizuo HayashiEiji Iijima (2 patents)Shizuo HayashiKanji Majima (1 patent)Shizuo HayashiHirokazu Nakayama (1 patent)Shizuo HayashiToshinao Ukena (1 patent)Shizuo HayashiKensuke Takei (1 patent)Shizuo HayashiShoji Horin (1 patent)Shizuo HayashiHisashi Sekine (1 patent)Shizuo HayashiAkira Yamamoto (1 patent)Shizuo HayashiShizuo Hayashi (11 patents)Hiroshi WatanabeHiroshi Watanabe (21 patents)Takeo OkumuraTakeo Okumura (18 patents)Hisao TsutsumiHisao Tsutsumi (18 patents)Atsuo IshidaAtsuo Ishida (8 patents)Toshiro AsakawaToshiro Asakawa (3 patents)Eiji IijimaEiji Iijima (5 patents)Kanji MajimaKanji Majima (6 patents)Hirokazu NakayamaHirokazu Nakayama (6 patents)Toshinao UkenaToshinao Ukena (4 patents)Kensuke TakeiKensuke Takei (2 patents)Shoji HorinShoji Horin (1 patent)Hisashi SekineHisashi Sekine (1 patent)Akira YamamotoAkira Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Soap Company, Ltd. (11 from 341 patents)


11 patents:

1. 4279262 - Hair treating agent of the pre-shampoo type

2. 4243657 - Hair cosmetic

3. 4152421 - Dentifice composition

4. 4132679 - Low irritant shampoo composition

5. 4132678 - Transparent liquid shampoo

6. 4097403 - Oil-in-water emulsion and emulsifying or solubilizing agent composition

7. 4081526 - Dentifrice composition

8. 4077911 - Liquid detergent of reduced color fading

9. 4072697 - Method for deodorizing liquid lanolin

10. 4071475 - Transparent highly viscous liquid shampoo composition

11. 4064231 - Dentifrice composition

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as of
1/3/2026
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