Growing community of inventors

Kamakura, Japan

Tadatsugu Koishi

Average Co-Inventor Count = 4.00

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 = 6

Tadatsugu KoishiNaoki Takeuchi (1 patent)Tadatsugu KoishiToshihiko Watanabe (1 patent)Tadatsugu KoishiSoichi Tsuruga (1 patent)Tadatsugu KoishiTadatsugu Koishi (1 patent)Naoki TakeuchiNaoki Takeuchi (12 patents)Toshihiko WatanabeToshihiko Watanabe (5 patents)Soichi TsurugaSoichi Tsuruga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kobe Steel, Ltd. (1 from 1,887 patents)


1 patent:

1. 4371107 - Welding machine

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1/7/2026
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