AH

Akihito Hirota

KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
Overall (All Time): #2,261,648 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5769923 Decarburization refining process for chromium-containing molten metal and associated top blowing lance Hiroshi Nishikawa, Masaru Washio, Tomomichi Terabatake, Naoki Kikuchi 1998-06-23
5245112 Method for decomposition of chlorofluorocarbons Koji Hoshimoto, Hiroki Habazaki, Asahi Kawashima, Katsuhiko Asami 1993-09-14