TY

Tadakazu Yokoyama

RK Riso Kagaku: 2 patents #230 of 551Top 45%
Overall (All Time): #2,180,282 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6894807 Method and apparatus for printing a black-and-white image based on color image information Mitsuaki Ishitoya 2005-05-17
6324362 Image forming apparatus Masashi Hara, Mamoru Fukuda 2001-11-27