YU

Yukio Uenaka

PE Pentax: 4 patents #17 of 186Top 10%
Overall (1994): #3,782 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5359382 Automatic focusing device 1994-10-25
5321459 Automatic focusing device 1994-06-14
5291235 Automatic focusing device 1994-03-01
5276476 Automatic focusing device 1994-01-04