MH

Masahiro Hiragi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%
📍 Yachiyo, JP: #113 of 236 inventorsTop 50%
Overall (All Time): #3,568,444 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6169670 Inverter apparatus operatable over extended frequency range while suppressing output error Tomofumi Okubo, Mutsuo Tokashiki 2001-01-02