YM

Yozo Matsuura

Ricoh Company: 3 patents #54 of 695Top 8%
Overall (1997): #9,376 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5697038 Cleaner and toner magazine for electrophotographic apparatus Hirotaka Hatta, Hiroshi Saitoh, Shigemi Kanda, Masahiko Kamijo 1997-12-09
RE35528 Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine Shiroh Kondoh, Kazuhiro Yuasa, Hiroshi Saitoh, Hiroyuki Kiyoi, Masanori Yoshimura +2 more 1997-06-10
5623717 Developing device for an image forming apparatus which uses bias voltages to attract charged toner Eiji Takenaka 1997-04-22