YH

Yoshinori Hirai

OP Optrex: 1 patents #5 of 13Top 40%
Overall (2002): #86,729 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6346774 Method of driving passive matrix liquid crystal display Kiyoshi Tamai, Makoto Nagai, Akira Nakazawa, Masakazu Kitamura 2002-02-12