Growing community of inventors

Kitakyushu, Japan

Hideki Kawaguchi

Average Co-Inventor Count = 6.67

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 = 104

Hideki Kawaguchi ↔ Hiroshi Kobayashi (2 patents)Hideki Kawaguchi ↔ Osamu Tsutsui (2 patents)Hideki Kawaguchi ↔ Atsuo Makita (2 patents)Hideki Kawaguchi ↔ Keiji Hayashi (2 patents)Hideki Kawaguchi ↔ Shingo Tanaka (2 patents)Hideki Kawaguchi ↔ Hisashi Nakamura (2 patents)Hideki Kawaguchi ↔ Masahiro Kayano (2 patents)Hideki Kawaguchi ↔ Makoto Hatakeyama (1 patent)Hideki Kawaguchi ↔ Noboru Shinbara (1 patent)Hideki Kawaguchi ↔ Yoshinori Nakamura (1 patent)Hideki Kawaguchi ↔ Takeshi Uemura (1 patent)Hideki KawaguchiHideki Kawaguchi (3 patents)Hiroshi KobayashiHiroshi Kobayashi (28 patents)Osamu TsutsuiOsamu Tsutsui (21 patents)Atsuo MakitaAtsuo Makita (16 patents)Keiji HayashiKeiji Hayashi (5 patents)Shingo TanakaShingo Tanaka (4 patents)Hisashi NakamuraHisashi Nakamura (2 patents)Masahiro KayanoMasahiro Kayano (2 patents)Makoto HatakeyamaMakoto Hatakeyama (17 patents)Noboru ShinbaraNoboru Shinbara (7 patents)Yoshinori NakamuraYoshinori Nakamura (1 patent)Takeshi UemuraTakeshi Uemura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (3 from 1,192 patents)


3 patents:

1. 6050772 - Method for designing a multiblade radial fan and a multiblade radial fan

2. 4922861 - Multiple-purpose instantaneous gas water heater

3. 4819587 - Multiple-purpose instantaneous gas water heater

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as of
12/21/2025
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