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Hajime Doinaga

Mazda Motor: 1 patents #2,563 of 4,755Top 55%
TC Toyo Kogyo Co.: 1 patents #64 of 216Top 30%
Overall (All Time): #2,339,981 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4793312 Fuel supply control arrangement for an internal combustion engine Shunji Inoue, Kazunori Matsumoto, Michiya Masuhara 1988-12-27
4457275 Idling speed control system for internal combustion engine Tetsushi Hosokai, Hideo Shiraishi 1984-07-03