Growing community of inventors

Ashiya, Japan

Toshiro Mase

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 = 125

Toshiro Mase ↔ Kunihiro Fukui (1 patent)Toshiro Mase ↔ Minoru Nishihara (1 patent)Toshiro Mase ↔ Yoshiyasu Morita (1 patent)Toshiro Mase ↔ Hisakazu Kawashima (1 patent)Toshiro MaseToshiro Mase (1 patent)Kunihiro FukuiKunihiro Fukui (11 patents)Minoru NishiharaMinoru Nishihara (7 patents)Yoshiyasu MoritaYoshiyasu Morita (5 patents)Hisakazu KawashimaHisakazu Kawashima (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 4630849 - Oil well pipe joint

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as of
12/10/2025
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