Growing community of inventors

Kyoto, Japan

Eiichiro Matsubara

Average Co-Inventor Count = 5.00

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 = 3

Eiichiro Matsubara ↔ Hisao Irie (1 patent)Eiichiro Matsubara ↔ Seishi Kumamoto (1 patent)Eiichiro Matsubara ↔ Takaaki Anada (1 patent)Eiichiro Matsubara ↔ Tetsu Ichitsubo (1 patent)Eiichiro MatsubaraEiichiro Matsubara (1 patent)Hisao IrieHisao Irie (7 patents)Seishi KumamotoSeishi Kumamoto (4 patents)Takaaki AnadaTakaaki Anada (3 patents)Tetsu IchitsuboTetsu Ichitsubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Harima Chemicals, Incorporated (1 from 82 patents)


1 patent:

1. 7503958 - Method of manufacturing the SnZnNiCu solder powder and the SnZnNiCu solder powder

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as of
1/14/2026
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