KE

Kenji Echizen

SO Sony: 2 patents #12,963 of 25,231Top 55%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
Overall (All Time): #1,331,727 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12308472 Separator for batteries Hirokazu Ninomiya, Kaho Furuyama 2025-05-20
8029262 Lubricant composition and article, disk molding stamper, disk molding apparatus, disk forming method, method of forming lubrication coating Takeshi Gouko, Mikio Sato, Akio Koshita 2011-10-04
7700011 Disk forming method Takeshi Gouko, Mikio Sato, Akio Koshita 2010-04-20