Growing community of inventors

Yokosuka, Japan

Keiichi Ishimoto

Average Co-Inventor Count = 3.00

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 = 2

Keiichi Ishimoto ↔ Katsumi Ishimoto (1 patent)Keiichi Ishimoto ↔ Shimpei Iizuka (1 patent)Keiichi IshimotoKeiichi Ishimoto (1 patent)Katsumi IshimotoKatsumi Ishimoto (1 patent)Shimpei IizukaShimpei Iizuka (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sumitomo Shipbuilding & Machinery Co., Ltd. (1 from 6 patents)


1 patent:

1. 3958098 - Apparatus for automatic and vertical fillet welding

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as of
12/20/2025
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