Growing community of inventors

Tokyo, Japan

Kouji Okada

Average Co-Inventor Count = 3.57

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 = 21

Kouji OkadaTetsuichiro Yamamoto (2 patents)Kouji OkadaMasahiko Noro (2 patents)Kouji OkadaRyuki Hashitani (2 patents)Kouji OkadaHiroshi Hoshimiya (2 patents)Kouji OkadaHisao Nagai (2 patents)Kouji OkadaTakeshi Wakao (2 patents)Kouji OkadaHajime Matsumoto (1 patent)Kouji OkadaNobuo Sano (1 patent)Kouji OkadaKouji Okada (5 patents)Tetsuichiro YamamotoTetsuichiro Yamamoto (12 patents)Masahiko NoroMasahiko Noro (10 patents)Ryuki HashitaniRyuki Hashitani (3 patents)Hiroshi HoshimiyaHiroshi Hoshimiya (2 patents)Hisao NagaiHisao Nagai (2 patents)Takeshi WakaoTakeshi Wakao (2 patents)Hajime MatsumotoHajime Matsumoto (13 patents)Nobuo SanoNobuo Sano (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Techno Polymer Company Limited (2 from 47 patents)

2. Nec Engineering, Ltd. (2 from 37 patents)

3. Toybox Corporation (1 from 23 patents)

4. Nec Platforms, Ltd. (347 patents)


5 patents:

1. 9294651 - Image reading device for reading document images with visible light and non-visible light being switchingly applied

2. 9167123 - Image reader apparatus and method of driving the same

3. 6340721 - Flame-retardant thermoplastic resin composition

4. 6136901 - Flame-retardant thermoplastic resin composition

5. 4483077 - Digital measuring device

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1/9/2026
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