Growing community of inventors

Tokyo, Japan

Yoshiteru Keikoin

Average Co-Inventor Count = 5.00

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 = 9

Yoshiteru Keikoin ↔ Yuichi Ono (1 patent)Yoshiteru Keikoin ↔ Kazuhiro Kurata (1 patent)Yoshiteru Keikoin ↔ Masahiko Ogirima (1 patent)Yoshiteru Keikoin ↔ Kozi Honma (1 patent)Yoshiteru KeikoinYoshiteru Keikoin (1 patent)Yuichi OnoYuichi Ono (31 patents)Kazuhiro KurataKazuhiro Kurata (10 patents)Masahiko OgirimaMasahiko Ogirima (8 patents)Kozi HonmaKozi Honma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,517 patents)

2. Hitachi Electronics Co., Ltd. (1 from 7 patents)


1 patent:

1. 4000716 - Epitaxial growth device

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1/9/2026
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