EK

Etsuko Kawashima

MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
TC Toshiba Heating Appliances Co.: 1 patents #9 of 30Top 30%
📍 Kamo, JP: #11 of 26 inventorsTop 45%
Overall (All Time): #2,325,387 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4946582 Method of removing mercury from hydrocarbon oils Takashi Torihata 1990-08-07
4483313 Reflection type heater Nobuyuki Kojima 1984-11-20