Growing community of inventors

Tokyo, Japan

Masahide Ishikawa

Average Co-Inventor Count = 4.00

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 = 24

Masahide Ishikawa ↔ Takuzo Aida (1 patent)Masahide Ishikawa ↔ Shohei Inoue (1 patent)Masahide Ishikawa ↔ Koichi Sanuki (1 patent)Masahide IshikawaMasahide Ishikawa (1 patent)Takuzo AidaTakuzo Aida (16 patents)Shohei InoueShohei Inoue (14 patents)Koichi SanukiKoichi Sanuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 4565845 - Process for producing polyester and block copolymer thereof

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as of
12/11/2025
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