Growing community of inventors

Tokyo, Japan

Hirosuke Yamaguchi

Average Co-Inventor Count = 6.00

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 = 13

Hirosuke YamaguchiKeiji Arimatsu (2 patents)Hirosuke YamaguchiYasushi Ishikawa (2 patents)Hirosuke YamaguchiHiroo Ohkawa (2 patents)Hirosuke YamaguchiTakashi Hagiya (2 patents)Hirosuke YamaguchiFumiomi Ueda (2 patents)Hirosuke YamaguchiHirosuke Yamaguchi (2 patents)Keiji ArimatsuKeiji Arimatsu (8 patents)Yasushi IshikawaYasushi Ishikawa (4 patents)Hiroo OhkawaHiroo Ohkawa (4 patents)Takashi HagiyaTakashi Hagiya (2 patents)Fumiomi UedaFumiomi Ueda (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,485 patents)


2 patents:

1. 6491802 - Magnetic film forming system

2. 6290824 - Magnetic film forming system

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as of
12/7/2025
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