Growing community of inventors

Yokosuka, Japan

Norio Ishikawa

Average Co-Inventor Count = 3.00

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 = 20

Norio Ishikawa ↔ Takuya Takahashi (1 patent)Norio Ishikawa ↔ Masayoshi Iijima (1 patent)Norio IshikawaNorio Ishikawa (1 patent)Takuya TakahashiTakuya Takahashi (3 patents)Masayoshi IijimaMasayoshi Iijima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bridgestone Tire Company Limited (1 from 504 patents)


1 patent:

1. 4244413 - Solid tire and wheel assembly for vehicle moving through a tubular

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as of
12/19/2025
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