MH

Masayoshi Hayasaka

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
HC Hitachi, Ltd. And Hitachi Car Engineering, Co.: 1 patents #1 of 26Top 4%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,258,347 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5727522 Method and system for controlling ignition timing for internal combustion engine Asahiko Otani 1998-03-17
5685285 Internal combustion engine controller Asahiko Ohtani 1997-11-11