YA

Yuji Arai

Ricoh Company: 5 patents #21 of 812Top 3%
Overall (2005): #5,118 of 245,428Top 3%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6975830 Image forming apparatus, process cartridge, and waste toner recovery device Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +2 more 2005-12-13
6961530 Recovered toner classifier capable of effectively removing foreign substance and crushing aggregation of toner Satoshi Takano 2005-11-01
6961535 Image forming apparatus Shinichi Kawahara, Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii +1 more 2005-11-01
6937838 Waste toner collecting device, and image forming apparatus including the waste toner collecting device Hiroshi Ishii 2005-08-30
6895209 Cleaning device and image forming apparatus using the same Shinichi Kawahara, Satoshi Takano, Hiroshi Saitoh, Toshihiro Sugiyama, Hirokazu Ishii 2005-05-17