Growing community of inventors

Mobara, Japan

Seikichi Yoshikawa

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 = 0

Seikichi Yoshikawa ↔ Tadao Shirai (1 patent)Seikichi Yoshikawa ↔ Yukio Tadokoro (1 patent)Seikichi Yoshikawa ↔ Satoshi Sogabe (1 patent)Seikichi YoshikawaSeikichi Yoshikawa (1 patent)Tadao ShiraiTadao Shirai (1 patent)Yukio TadokoroYukio Tadokoro (1 patent)Satoshi SogabeSatoshi Sogabe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Chemicals Co., Ltd. (1 from 6 patents)


1 patent:

1. 3959344 - Process for the preparation of diaminomaleonitrile

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12/11/2025
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