YH

Yoshiaki Hanyu

Ricoh Company: 3 patents #54 of 695Top 8%
Overall (1997): #9,439 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5704020 Page printer resolution converting method, and variable-length reversible compression process Mutsuo Shimomae 1997-12-30
5697712 Image processing method and apparatus Takashi Sato, Hitomi Hanyu, Naofumi Ueda 1997-12-16
5611023 Apparatus and method for processing two-tone image data so as to smooth and magnify image 1997-03-11