SS

Seizi Sumikawa

DC Diesel Kiki Co.: 2 patents #108 of 366Top 30%
📍 Namekata, JP: #5 of 8 inventorsTop 65%
Overall (All Time): #2,356,021 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4424933 Vehicle humidity control apparatus for preventing fogging of windows Shinji Sutoh, Shinichi Kaneko, Toshizo Hara 1984-01-10
4265395 Temperature control apparatus for an automobile air conditioner Takesi Harada 1981-05-05