TI

Tomoyuki Ichikawa

Ricoh Company: 5 patents #12 of 684Top 2%
Overall (2003): #7,544 of 273,478Top 3%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6628908 Toner supply unit and image forming apparatus Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Yoshio Hattori +5 more 2003-09-30
6628913 Method and apparatus for replenishing developer with a flexible powder container Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu 2003-09-30
6597883 Powder pump capable of effectively conveying powder and image forming apparatus using powder pump Satoshi Muramatsu, Nobuo Iwata, Nobuo Kasahara, Junichi Matsumoto 2003-07-22
6542707 Method and apparatus for image forming capable of effectively transferring various kinds of powder Satoshi Muramatsu, Nobuo Kasahara, Nobuo Iwata, Junichi Matsumoto 2003-04-01
6526246 POWDER REPLENISHING DEVICE, POWDER CONVEYING DEVICE, DEVELOPING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE, AND IMAGE FORMING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE Nobuo Iwata, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto 2003-02-25