Growing community of inventors

Yokohama, Japan

Toshio Okada

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 = 11

Toshio Okada ↔ Yuichi Tokumoto (1 patent)Toshio Okada ↔ Tsutomu Takashima (1 patent)Toshio Okada ↔ Koichi Ohashi (1 patent)Toshio OkadaToshio Okada (1 patent)Yuichi TokumotoYuichi Tokumoto (9 patents)Tsutomu TakashimaTsutomu Takashima (7 patents)Koichi OhashiKoichi Ohashi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Petrochemicals Company, Limited (1 from 327 patents)


1 patent:

1. 6300444 - Process for producing butene polymer

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12/20/2025
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