YH

Yoshio Hattori

Ricoh Company: 4 patents #32 of 684Top 5%
Overall (2003): #11,333 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6665508 Toner container and image forming apparatus using the same Kazuhisa Sudo 2003-12-16
6628908 Toner supply unit and image forming apparatus Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more 2003-09-30
6591077 Image forming apparatus and toner container therefor Takaaki Yanagisawa, Tomotoshi Nakahara, Masumi Sato, Kazuhisa Sudo, Kouta Fujimori 2003-07-08
6507720 Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor Masaaki Kabumoto, Goro Katsuyama, Kanae Amemiya, Masahiro Kurita, Masahiro Yonekawa +6 more 2003-01-14