Growing community of inventors

Kyoto, Japan

Shigeru 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 = 14

Shigeru Okada ↔ Fumiaki Hondo (1 patent)Shigeru Okada ↔ Yasuhide Umaki (1 patent)Shigeru Okada ↔ Rokuro Tomita (1 patent)Shigeru OkadaShigeru Okada (1 patent)Fumiaki HondoFumiaki Hondo (2 patents)Yasuhide UmakiYasuhide Umaki (1 patent)Rokuro TomitaRokuro Tomita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Chemical Industries, Ltd. (1 from 353 patents)

2. Nihon Cement Co., Ltd. (1 from 24 patents)


1 patent:

1. 5181961 - Cement composition

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12/16/2025
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