RI

Ryoji Ishigaki

TW The Japan Steel Works: 4 patents #50 of 643Top 8%
📍 Muroran, JP: #16 of 113 inventorsTop 15%
Overall (All Time): #1,176,193 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10227682 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same Kouichi Takasawa, Yoru Wada, Yasuhiko Tanaka 2019-03-12
8974612 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same Kouichi Takasawa, Yoru Wada, Yasuhiko Tanaka 2015-03-10
8313589 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same Koichi Takasawa, Yoru Wada, Yasuhiko Tanaka 2012-11-20
8234930 Method of determining fatigue of pressure-resistant component for high-pressure hydrogen Yoru Wada, Yasuhiko Tanaka 2012-08-07