KY

Kiyoshi Yokosawa

TO Toto: 1 patents #620 of 1,113Top 60%
Overall (All Time): #3,849,696 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5110470 Ceramic filter and process for making it Naohito Wajima 1992-05-05