Growing community of inventors

Fukuoka, Japan

Masahiro Kayano

Average Co-Inventor Count = 8.00

ph-index = 2

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 = 73

Masahiro Kayano ↔ Hiroshi Kobayashi (2 patents)Masahiro Kayano ↔ Osamu Tsutsui (2 patents)Masahiro Kayano ↔ Atsuo Makita (2 patents)Masahiro Kayano ↔ Keiji Hayashi (2 patents)Masahiro Kayano ↔ Shingo Tanaka (2 patents)Masahiro Kayano ↔ Hideki Kawaguchi (2 patents)Masahiro Kayano ↔ Hisashi Nakamura (2 patents)Masahiro KayanoMasahiro Kayano (2 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)Hideki KawaguchiHideki Kawaguchi (3 patents)Hisashi NakamuraHisashi Nakamura (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (2 from 1,192 patents)


2 patents:

1. 4922861 - Multiple-purpose instantaneous gas water heater

2. 4819587 - Multiple-purpose instantaneous gas water heater

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as of
12/20/2025
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