Growing community of inventors

Itami, Japan

Hiroshi Nakagaki

Average Co-Inventor Count = 3.00

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 = 10

Hiroshi Nakagaki ↔ Masao Maruyama (1 patent)Hiroshi Nakagaki ↔ Minori Shirane (1 patent)Hiroshi NakagakiHiroshi Nakagaki (1 patent)Masao MaruyamaMasao Maruyama (4 patents)Minori ShiraneMinori Shirane (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Electric Industries, Limited (1 from 10,248 patents)


1 patent:

1. 5421852 - Hard alloy and its manufacturing method

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12/18/2025
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