Growing community of inventors

Kyoto, Japan

Norio Kawai

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 0

Norio Kawai ↔ Michiro Goto (1 patent)Norio Kawai ↔ Kouichi Yoshida (1 patent)Norio Kawai ↔ Kazuo Takemoto (1 patent)Norio Kawai ↔ Shin-ichi Haba (1 patent)Norio Kawai ↔ Nobuyuki Ooshima (1 patent)Norio KawaiNorio Kawai (1 patent)Michiro GotoMichiro Goto (2 patents)Kouichi YoshidaKouichi Yoshida (2 patents)Kazuo TakemotoKazuo Takemoto (1 patent)Shin-ichi HabaShin-ichi Haba (1 patent)Nobuyuki OoshimaNobuyuki Ooshima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nitta Haas Inc. (1 from 23 patents)

2. Toyo Polymer Co., Ltd. (1 from 10 patents)


1 patent:

1. 8557005 - Polyurethane foam and polishing pad

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as of
1/8/2026
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