MU

Mitsuaki Urakawa

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,268,255 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6529788 Recycling system and recycling method Tatsuo Tani, Kiyoshi Sakai, Yasushi Akiba, Shohzoh Miyawaki, Teruzo Hasumi +3 more 2003-03-04
6150066 Method and apparatus for repetitively using a toner image carrier sheet Tsuneo Kurotori, Katsuhiro Echigo, Hisamitsu Mizuno, Kunio Hibi 2000-11-21
5678158 Apparatus for repetitively using a toner image carrier Tsuneo Kurotori, Katsuhiro Echigo, Hisamitsu Mizuno, Kunio Hibi 1997-10-14
5463447 Device for removing a toner from a toner image carrier Tsuneo Kurotori, Katsuhiro Echigo, Hisamitsu Mizuno, Kunio Hibi 1995-10-31