RO

Ryugo Oba

DI Disco: 3 patents #5 of 40Top 15%
Overall (2011): #37,027 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8049133 Laser beam machining apparatus Hiroshi Morikazu 2011-11-01
7968821 Laser processing beam machine 2011-06-28
7897488 Dividing method for wafer having film on the front side thereof Yosuke Watanabe, Masaru Nakamura 2011-03-01