HH

Hidetoshi Hamaoka

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
HC Hitachi Service Engineering Co.: 1 patents #9 of 31Top 30%
Overall (All Time): #4,016,581 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4523286 Apparatus for making diagnosis of valve device in turbine system Tsuguaki Koga, Hidesumi Kuwashima, Hidenori Inoue, Hiroshi Ohta 1985-06-11