YI

Youichi Iwasa

SC Seiren Co.: 3 patents #13 of 165Top 8%
📍 Echizen, JP: #86 of 298 inventorsTop 30%
Overall (All Time): #1,618,853 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6471896 Method for processing cloth Toshiharu Katsuki, Harukazu Kubota 2002-10-29
6300260 Polyester fabric for ink jet recording and process for manufacturing the same Toshiharu Katsuki, Hiroyuki Saito 2001-10-09
6074466 Method of manufacturing water base disperse ink for ink-jet recording 2000-06-13