Growing community of inventors

Hitachi, Japan

Takashi Hagiya

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

Takashi HagiyaKeiji Arimatsu (2 patents)Takashi HagiyaYasushi Ishikawa (2 patents)Takashi HagiyaHiroo Ohkawa (2 patents)Takashi HagiyaHirosuke Yamaguchi (2 patents)Takashi HagiyaFumiomi Ueda (2 patents)Takashi HagiyaTakashi Hagiya (2 patents)Keiji ArimatsuKeiji Arimatsu (8 patents)Yasushi IshikawaYasushi Ishikawa (4 patents)Hiroo OhkawaHiroo Ohkawa (4 patents)Hirosuke YamaguchiHirosuke Yamaguchi (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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idiyas.com
as of
12/5/2025
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