KA

Koichi Akutsu

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Overall (All Time): #2,332,319 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE33006 Feed-water heater comprising low C-Cr-Mo steel components used under wet steam Fumio Hataya, Masakiyo Izumiya, Yoshikuni Ohshima, Syuzo Ueda, Masaaki Ishikawa +2 more 1989-08-01
4529454 Low C-Cr-Mo steel used under wet steam Fumio Hataya, Masakiyo Izumiya, Yoshikuni Ohshima, Syuzo Ueda, Masaaki Ishikawa +2 more 1985-07-16