Growing community of inventors

Kasukabe, Japan

Yukio Okubo

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 = 19

Yukio Okubo ↔ Nobuo Shigematsu (1 patent)Yukio Okubo ↔ Kaisaburo Shigematsu (1 patent)Yukio OkuboYukio Okubo (1 patent)Nobuo ShigematsuNobuo Shigematsu (8 patents)Kaisaburo ShigematsuKaisaburo Shigematsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shigematsu Works Co., Ltd. (1 from 14 patents)


1 patent:

1. 4501272 - Mask

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