Growing community of inventors

Fukuoka, Japan

Akio Kusumoto

Average Co-Inventor Count = 6.10

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 = 73

Akio KusumotoToshifumi Shigematsu (3 patents)Akio KusumotoTakao Ikenaga (3 patents)Akio KusumotoSeijiro Kawamura (2 patents)Akio KusumotoMasami Iida (2 patents)Akio KusumotoHiroshi Okada (2 patents)Akio KusumotoMasatoshi Yada (1 patent)Akio KusumotoKoji Morita (1 patent)Akio KusumotoMasaru Taki (1 patent)Akio KusumotoKimiyoshi Yamamoto (1 patent)Akio KusumotoAkio Kusumoto (3 patents)Toshifumi ShigematsuToshifumi Shigematsu (6 patents)Takao IkenagaTakao Ikenaga (5 patents)Seijiro KawamuraSeijiro Kawamura (42 patents)Masami IidaMasami Iida (8 patents)Hiroshi OkadaHiroshi Okada (4 patents)Masatoshi YadaMasatoshi Yada (2 patents)Koji MoritaKoji Morita (2 patents)Masaru TakiMasaru Taki (1 patent)Kimiyoshi YamamotoKimiyoshi Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (3 from 1,195 patents)


3 patents:

1. 4967425 - Sanitary equipment for clean room

2. 4961431 - Toilet device with health examination system

3. 4692951 - Sanitary facility room for clean room

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as of
1/9/2026
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