Yumiko Ohsaki

Canon: 2 patents #645 of 2,554Top 30%

Overall (2003): #34,648 of 273,478Top 15%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6620556	Mask for multiple exposure	—	2003-09-16
6586168	Exposure method based on multiple exposure process	—	2003-07-01