HI

Hideo Ichikawa

Ricoh Company: 30 patents #620 of 9,818Top 7%
FI Fujifilm Business Innovation: 11 patents #876 of 5,238Top 20%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
Overall (All Time): #70,932 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
9022220 Sieving system, and methods of notifying information, driving and feeding Kaori Ozeki, Tatsushi Umayahara, Tetsuya Yoshida 2015-05-05
8973759 Sieving device, sieving device for developing device, and powder-charging device Kaori Ozeki, Tatsushi Umayahara, Takashi Ono, Masayoshi Suzuki, Teruo Shibata +8 more 2015-03-10
8934816 Sieve device, powder transporting unit, image forming apparatus, and method of transporting powder Junji Yamabe, Seiji Terazawa, Masashi Hasegawa 2015-01-13
8929776 Nozzle, image forming apparatus, and method of deriving powder Junji Yamabe, Seiji Terazawa, Masashi Hasegawa 2015-01-06
8929777 Sieve device, supply unit, developing unit, image forming apparatus, and method of supplying toner particles Junji Yamabe, Seiji Terazawa, Masashi Hasegawa 2015-01-06
8478172 Transport member for powder transport, developing powder accommodation container, and image forming apparatus 2013-07-02
8401438 Conveyance member, developer cartridge, and image-forming apparatus Ryoji Sugimoto, Takashi Sakamoto, Masatoshi Norigoe 2013-03-19
8369751 Conveyor, developer cartridge, and filling method Hirokazu Murase 2013-02-05
7869747 Developer container and method for filling the same 2011-01-11
7792468 Developer storage container and image forming apparatus using the same Hirokazu Murase 2010-09-07
7792469 Developer storage container and image forming apparatus using the same Hirokazu Murase 2010-09-07
7715765 Detachable cartridge and image forming apparatus Naoto Nishi, Ryuji Hattori 2010-05-11
7191514 Stretch label attaching device Makoto Kawaguchi, Kotaro Koide, Masashi Hasegawa, Toshihide Tomotaka, Tomokazu Saitoh +3 more 2007-03-20
7106995 Developer cartridge container, developer cartridge, image forming unit, recycling method of developer cartridge container, and recycling method of developer cartridge Takanori Nagai 2006-09-12
6901230 Toner container having lid including lug Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 2005-05-31
6854493 Apparatus and method of filling microscopic powder Masanori Rimoto, Masakazu Nakada 2005-02-15
6751431 Developer replenishing device and developer container for use therewith Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 2004-06-15
6418293 Developer replenishing device and developer container for use therewith Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 2002-07-09
RE37542 Toner cartridge for a developing device included in an image forming apparatus Seiji Terazawa, Sunao Ikeda 2002-02-05
6289195 Developer replenishing device and developer container for use therewith Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 2001-09-11
6088561 Toner cartridge, image formation apparatus comprising toner cartridge, and method of recycling the toner cartridge Yoshihide Kawamura, Shigemi Kanda 2000-07-11
6075963 Developer replenishing device and developer container for use therewith Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 2000-06-13
6010324 Mold clamping unit and method of positioning mold in mold clamping unit Takeo Oshiro, Masao Hirosawa 2000-01-04
5918090 Developer replenishing device and developer container for use therewith Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 1999-06-29
5822663 Developer replenishing device and developer container for use therewith Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa, Shigeru Yoshiki +1 more 1998-10-13