Growing community of inventors

Funabashi, Japan

Yasuhide Umaki

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

Yasuhide Umaki ↔ Fumiaki Hondo (1 patent)Yasuhide Umaki ↔ Rokuro Tomita (1 patent)Yasuhide Umaki ↔ Shigeru Okada (1 patent)Yasuhide UmakiYasuhide Umaki (1 patent)Fumiaki HondoFumiaki Hondo (2 patents)Rokuro TomitaRokuro Tomita (1 patent)Shigeru OkadaShigeru Okada (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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