SI

Sadao Ichikawa

Ngk Spark Plug Co.: 4 patents #450 of 1,594Top 30%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Ebeye: #1,220 of 4,528 inventorsTop 30%
Overall (All Time): #1,303,166 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4839018 Air/fuel ratio detector Tetsusyo Yamada 1989-06-13
4635594 Method of applying electric current to glow plugs and device therefor Shinichi Yokoi, Seishi Yasuhara, Hiroshi Kondo 1987-01-13
4512297 Apparatus for controlling energization of glow plugs Tuyoshi Kamiya 1985-04-23
4450811 Controller for internal combustion engine 1984-05-29