Growing community of inventors

Tokyo, Japan

Nayumi Yamada

Average Co-Inventor Count = 3.60

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 = 6

Nayumi Yamada ↔ Tomohiro Fudo (2 patents)Nayumi Yamada ↔ Maiko Hara (2 patents)Nayumi Yamada ↔ Kazushige Miyake (1 patent)Nayumi Yamada ↔ Makiko Mochizuki (1 patent)Nayumi Yamada ↔ Natsuki Goto (1 patent)Nayumi Yamada ↔ Kota Kato (1 patent)Nayumi Yamada ↔ Kaori Jinbo (1 patent)Nayumi YamadaNayumi Yamada (3 patents)Tomohiro FudoTomohiro Fudo (4 patents)Maiko HaraMaiko Hara (2 patents)Kazushige MiyakeKazushige Miyake (4 patents)Makiko MochizukiMakiko Mochizuki (4 patents)Natsuki GotoNatsuki Goto (2 patents)Kota KatoKota Kato (1 patent)Kaori JinboKaori Jinbo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. King Jim Co., Ltd. (3 from 168 patents)


3 patents:

1. D1036851 - Pouch for personal belongings

2. D1035264 - Pen case

3. D923324 - Pen case

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idiyas.com
as of
1/8/2026
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