RI

Ryo Ishibashi

HI Hitachi: 2 patents #622 of 3,771Top 20%
Overall (2004): #42,978 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6827755 High-toughness and high-strength ferritic steel and method of producing the same Masami Taguchi, Yasuhisa Aono, Hidehiko Sumitomo, Hiroki Masumoto, Masakuni Fujikura 2004-12-07
6767416 Corrosion resistant, high strength alloy and a method for manufacturing the same Yasuhisa Aono 2004-07-27