Growing community of inventors

Tochigi-ken, Japan

Machiko Yokoyama

Average Co-Inventor Count = 4.80

ph-index = 2

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 = 12

Machiko Yokoyama ↔ Manabu Kaneda (2 patents)Machiko Yokoyama ↔ Takashi Kawai (2 patents)Machiko Yokoyama ↔ Shoichi Taneichi (1 patent)Machiko Yokoyama ↔ Yasuhiro Komori (1 patent)Machiko Yokoyama ↔ Katsuhiko Takeuchi (1 patent)Machiko Yokoyama ↔ Tomohiro Fukita (1 patent)Machiko YokoyamaMachiko Yokoyama (2 patents)Manabu KanedaManabu Kaneda (10 patents)Takashi KawaiTakashi Kawai (8 patents)Shoichi TaneichiShoichi Taneichi (8 patents)Yasuhiro KomoriYasuhiro Komori (7 patents)Katsuhiko TakeuchiKatsuhiko Takeuchi (2 patents)Tomohiro FukitaTomohiro Fukita (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (2 from 3,600 patents)


2 patents:

1. 7094462 - Base material for wiping sheet

2. 6503232 - Sheet pack

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idiyas.com
as of
12/6/2025
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