Growing community of inventors

Amagasaki, Japan

Koichiro Ishihara

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 = 9

Koichiro Ishihara ↔ Kazuo Okamura (2 patents)Koichiro Ishihara ↔ Yoshiyasu Morita (2 patents)Koichiro Ishihara ↔ Manabu Seguchi (2 patents)Koichiro Ishihara ↔ Katsutoshi Hara (2 patents)Koichiro Ishihara ↔ Fuminori Hikami (2 patents)Koichiro IshiharaKoichiro Ishihara (2 patents)Kazuo OkamuraKazuo Okamura (7 patents)Yoshiyasu MoritaYoshiyasu Morita (5 patents)Manabu SeguchiManabu Seguchi (3 patents)Katsutoshi HaraKatsutoshi Hara (2 patents)Fuminori HikamiFuminori Hikami (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Metal Industries, Inc. (2 from 929 patents)


2 patents:

1. 5154984 - Metal-ceramic composite

2. 4947924 - Metal-ceramic composite and method of producing the same

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idiyas.com
as of
12/20/2025
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