AO

Atsuo Ohsawa

HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #174,370 of 185,788Top 95%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5613748 Rear projection type image display apparatus and transmission type screen used therein Takahiko Yoshida, Koji Hirata, Kiyoshi Wada, Hiroki Yoshikawa 1997-03-25