Growing community of inventors

Kitakyushu, Japan

Akio Fujii

Average Co-Inventor Count = 6.46

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 = 20

Akio Fujii ↔ Osamu Tsutsui (1 patent)Akio Fujii ↔ Hirofumi Takeuchi (1 patent)Akio Fujii ↔ Keiji Hayashi (1 patent)Akio Fujii ↔ Mitsuhiro Higuchi (1 patent)Akio Fujii ↔ Hidehiko Kuwahara (1 patent)Akio Fujii ↔ Hirohiko Yasuda (1 patent)Akio Fujii ↔ Tetsuo Nishimoto (1 patent)Akio Fujii ↔ Yasuhiro Yanagawa (1 patent)Akio Fujii ↔ Takao Sakama (1 patent)Akio Fujii ↔ Akihiko Nakajima (1 patent)Akio Fujii ↔ Hiroshi Matsuo (1 patent)Akio FujiiAkio Fujii (2 patents)Osamu TsutsuiOsamu Tsutsui (21 patents)Hirofumi TakeuchiHirofumi Takeuchi (18 patents)Keiji HayashiKeiji Hayashi (5 patents)Mitsuhiro HiguchiMitsuhiro Higuchi (5 patents)Hidehiko KuwaharaHidehiko Kuwahara (3 patents)Hirohiko YasudaHirohiko Yasuda (2 patents)Tetsuo NishimotoTetsuo Nishimoto (1 patent)Yasuhiro YanagawaYasuhiro Yanagawa (1 patent)Takao SakamaTakao Sakama (1 patent)Akihiko NakajimaAkihiko Nakajima (1 patent)Hiroshi MatsuoHiroshi Matsuo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Koito Industries, Ltd. (1 from 14 patents)


2 patents:

1. 5901383 - Support structure for a toilet cover unit

2. 4761836 - Washing device for parts of human body

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as of
12/21/2025
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