GK

Goro Katsuyama

Ricoh Company: 95 patents #41 of 9,818Top 1%
Overall (All Time): #16,105 of 4,157,543Top 1%
95
Patents All Time

Issued Patents All Time

Showing 76–95 of 95 patents

Patent #TitleCo-InventorsDate
D497944 Ink-jet printer Kanae Amemiya, Masaaki Kabumoto, Ryota Yano, Osamu Miki 2004-11-02
D497635 Printer ink cartridge 2004-10-26
D497383 Printer ink cartridge Masaaki Kabumoto, Kanae Amemiya, Osamu Miki 2004-10-19
6785488 Image formation method, image formation apparatus, computer program, and storage medium 2004-08-31
D494617 Printer ink cartridge 2004-08-17
D494616 Printer ink cartridge Masaaki Kabumoto, Kanae Amemiya, Osamu Miki 2004-08-17
D493819 Printer ink cartridge 2004-08-03
6771921 Toner container and toner replenishing device using the same 2004-08-03
6690901 Image forming apparatus Hideyuki Takemoto, Takuji Takahashi, Makoto Kurata 2004-02-10
6648218 Powder container, method of assembling the same and image forming apparatus Seiji Terazawa, Fumio Ogata 2003-11-18
6647236 Toner container including foldable case and toner replenishing device using the same 2003-11-11
6549744 Powder container for an image forming apparatus and powder discharging device Seiji Terazawa, Fumio Ogata 2003-04-15
6532352 Powder container and image forming apparatus using same 2003-03-11
6519436 Toner powder container for storing toner applicable to an electrographic image forming apparatus, a method at assembling the same, and a method of reducing the volume of the same 2003-02-11
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, Kanae Amemiya, Masahiro Kurita, Masahiro Yonekawa, Tomotoshi Nakahara +6 more 2003-01-14
D458298 Digital color copying machine Tamaki Someya, Makoto Kurata 2002-06-04
D455778 Toner cartridge 2002-04-16
D455455 Toner cartridge 2002-04-09
D451126 Toner cartridge 2001-11-27
6304739 Toner container and image forming apparatus using the same Masaaki Kabumoto, Kanae Nomura, Seiji Terazawa 2001-10-16