SA

Sumio Arai

KA Kao: 1 patents #1,961 of 3,221Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #2,132,180 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7494206 Liquid ejection head and method of producing same Noriaki Okazawa, Nobuhiko Yamauchi 2009-02-24
4510074 Wood preservative composition Ryozo Nakai, Shigeo Inoue 1985-04-09