YH

Yukio Hamaoka

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #3,666,296 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5979319 Ink feeder of a printing press and ink scraper with separated ink guide Yoshihiro Oyama, Koji Mita, Mitsunao Miyake 1999-11-09