Growing community of inventors

Tokyo, Japan

Keiko Sakuma

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 = 27

Keiko SakumaMoriya Miyashita (1 patent)Keiko SakumaShintaro Yoshii (1 patent)Keiko SakumaKeiko Sakuma (1 patent)Moriya MiyashitaMoriya Miyashita (10 patents)Shintaro YoshiiShintaro Yoshii (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (1 from 52,711 patents)


1 patent:

1. 4980300 - Gettering method for a semiconductor wafer

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12/8/2025
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