EK

Etsuo Kosaka

HI Hirotec: 1 patents #7 of 40Top 20%
Overall (All Time): #3,201,461 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8146251 Method of manufacturing catalytic converters Naoyuki Kobayashi, Kazuo Tanigawa 2012-04-03