IO

Ikuo Okajima

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,344,338 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4688162 Rectifier control apparatus with improved power factor Nobuyoshi Mutoh, Keijiro Sakai, Toshio Suzuki, Akiteru Ueda, Kenji Nandoh 1987-08-18
4599549 Method and apparatus for controlling PWM inverters Nobuyoshi Mutoh, Keijiro Sakai, Akiteru Ueda, Akira Ishibashi 1986-07-08