YO

Yuki Oshikawa

Ricoh Company: 37 patents #422 of 9,818Top 5%
Overall (All Time): #88,863 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
8755721 Powder container, powder supply assembly, and image forming apparatus in which a powder outlet faces in an opposite direction as an opening of a container body Emi Kita 2014-06-17
D667047 Powder container Hideo Yoshizawa 2012-09-11
D667048 Powder container 2012-09-11
8126373 Toner supply device and image forming apparatus that prevents toner from being scattered from the device Kohichi Utsunomiya, Koichi Kato, Junichi Terai, Klyonori Tsuda, Emi Kita +1 more 2012-02-28
8121498 Image forming apparatus and developer supply method therefor Mugijiro Uno, Keiko Matsumoto, Takuzi Yoneda 2012-02-21
8086117 Image forming apparatus and developer replenishing method Mugijirou Uno, Takuzi Yoneda, Keiko Matsumoto 2011-12-27
8064807 Developer supply system and image forming apparatus incorporating same Maiko Koeda, Koichi Kato, Emi Kita, Keiko Matsumoto, Takuzi Yoneda +1 more 2011-11-22
8010020 Developing device and image forming apparatus equipped with the same Emi Kita, Koichi Kato, Kiyonori Tsuda, Susumu Tateyama, Yoshitaka Fujinuma 2011-08-30
7991330 Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge Koichi Kato, Hiroyuki Okaji, Mugijirou Uno, Kiyonori Tsuda, Emi Kita +1 more 2011-08-02
7962071 Developing device and image forming apparatus using same Kiyonori Tsuda, Koichi Kato, Yasufumi Takahashi, Eriko Maruyama, Koichi Sakata +5 more 2011-06-14
7783209 Image forming apparatus and method of activating the apparatus during filling with developing agent Mugijirou Uno, Sadayuki Iwai 2010-08-24
7773920 Toner drop suppressing developing apparatus 2010-08-10