Growing community of inventors

Akita, Japan

Tomizo Yamada

Average Co-Inventor Count = 6.00

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 = 5

Tomizo Yamada ↔ Kiyoshi Yamada (1 patent)Tomizo Yamada ↔ Tatsumi Inamura (1 patent)Tomizo Yamada ↔ Nobumi Ueno (1 patent)Tomizo Yamada ↔ Sukehiro Sutou (1 patent)Tomizo Yamada ↔ Rintaro Togashi (1 patent)Tomizo YamadaTomizo Yamada (1 patent)Kiyoshi YamadaKiyoshi Yamada (6 patents)Tatsumi InamuraTatsumi Inamura (3 patents)Nobumi UenoNobumi Ueno (1 patent)Sukehiro SutouSukehiro Sutou (1 patent)Rintaro TogashiRintaro Togashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dowa Mining Co., Ltd. (1 from 217 patents)

2. Akita Zinc Co., Ltd. (1 from 3 patents)


1 patent:

1. 5762767 - Automatic transferring and processing apparatus of cathode and method

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as of
12/18/2025
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