KO

Katsumi Oyabu

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,363,530 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4406169 Method of and system for monitoring bearing conditions Kazuo Ikeuchi, Tsuguaki Koga, Tomoaki Inoue 1983-09-27
4401411 Device for connecting turbine blades Katsukuni Hisano, Kazuo Ikeuchi, Makoto Nishimura, Hazime Sibaoka, Kiyoshi Namura +1 more 1983-08-30