Growing community of inventors

Chiyoda-ku, Japan

Koji Narihara

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

Koji Narihara ↔ Toru Takahashi (1 patent)Koji Narihara ↔ Toru Takahashi (102 patents)Koji Narihara ↔ Yutaka Wada (1 patent)Koji Narihara ↔ Yukihiro Okada (1 patent)Koji Narihara ↔ Kouhei Obara (1 patent)Koji Narihara ↔ Toshikazu Akita (1 patent)Koji NariharaKoji Narihara (1 patent)Toru TakahashiToru Takahashi (129 patents)Toru TakahashiToru Takahashi (102 patents)Yutaka WadaYutaka Wada (53 patents)Yukihiro OkadaYukihiro Okada (1 patent)Kouhei ObaraKouhei Obara (1 patent)Toshikazu AkitaToshikazu Akita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jfe Steel Corporation (1 from 1,801 patents)


1 patent:

1. 8920024 - Steel plate quality assurance system and equipment thereof

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as of
1/8/2026
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