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 26–50 of 95 patents

Patent #TitleCo-InventorsDate
8126375 Toner container and image forming apparatus Nobuyuki Taguchi, Masayuki Yamane, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki +5 more 2012-02-28
8121525 Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus Nobuyuki Taguchi, Misaki Uchiyama, Masahiro Kurita 2012-02-21
8054483 Image reading system, electronic paper used in the image reading system, and image reading method for handling the electronic paper in the image reading system 2011-11-08
7991334 Toner container and image forming apparatus Nobuyuki Taguchi, Masayuki Yamane, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki +5 more 2011-08-02
7917055 Toner container including a toner draining unit and a shutter, and corresponding image forming apparatus Nobuo Iwata, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto 2011-03-29
7853184 Toner container and image forming apparatus Nobuyuki Taguchi, Masayuki Yamane, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki +5 more 2010-12-14
7853183 Toner container and image forming apparatus Nobuyuki Taguchi, Takeroh Kurenuma, Hideo Yoshizawa, Masayuki Yamane 2010-12-14
7840167 Toner container including a gear which is at least partially exposed to an exterior Nobuyuki Taguchi, Misaki Uchiyama, Masahiro Kurita 2010-11-23
7835675 Toner container and image forming apparatus Nobuyuki Taguchi, Takeroh Kurenuma, Hideo Yoshizawa, Masayuki Yamane 2010-11-16
7826777 Toner container and image forming apparatus having first and second biasing elements that bias the toner container Nobuyuki Taguchi, Takeroh Kurenuma, Hideo Yoshizawa, Masayuki Yamane 2010-11-02
7822371 Toner container and image forming apparatus Nobuyuki Taguchi, Masayuki Yamane, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki +5 more 2010-10-26
7796914 Powder container having a cylindrical shutter Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu 2010-09-14
7747202 Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus Nobuyuki Taguchi, Misaki Uchiyama, Masahiro Kurita 2010-06-29
7720416 Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus Nobuyuki Taguchi, Misaki Uchiyama, Masahiro Kurita 2010-05-18
7720417 Toner container and image forming apparatus Nobuyuki Taguchi, Takeroh Kurenuma, Hideo Yoshizawa, Masayuki Yamane 2010-05-18
7706699 Toner container and image forming apparatus Nobuyuki Taguchi, Masayuki Yamane, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki +5 more 2010-04-27
7702262 Toner container including a container body with a gripper at the end thereof, and associated method Nobuyuki Taguchi, Masayuki Yamane, Hideo Yoshizawa, Takeroh Kurenuma, Takayuki Tamaki +5 more 2010-04-20
7620349 Agent containing unit having improved usability, agent refill unit, and image forming apparatus 2009-11-17
7607537 Packaging box 2009-10-27
7603054 Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder container Nobuo Iwata, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto 2009-10-13
7593674 Body member of a powder container Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu 2009-09-22
7536139 Powder container for use in an image forming apparatus having an opening which faces horizontally Nobuo Iwata, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto 2009-05-19
7515855 Powder container having a lower part with a trapezoid-shaped cross-section Nobuo Takami, Emi Kita 2009-04-07
7469981 Compact front-operable image forming apparatus Masaaki Kabumoto, Kanae Amemiya, Osamu Miki, Hideo Aoki, Akiyoshi Tanaka 2008-12-30
7416289 Ink cartridge and inkjet recording apparatus equipped with the ink cartridge 2008-08-26