YI

Yasunori Ishigaya

Ricoh Company: 3 patents #302 of 1,683Top 20%
Overall (2011): #32,049 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8073352 Image forming apparatus, and method of controlling warming-up time of image forming apparatus Hiroyuki Kunii, Ippei Fijimoto, Hiroshi Yoshinaga, Toshiharu Hachisuka, Shinichi Namekata 2011-12-06
8064798 Fixing device and image forming apparatus with heating member heated uniformly in circumferential direction Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga, Ryota Yamashina 2011-11-22
7912392 Image forming apparatus with glossy image printing mode Hiroshi Yoshinaga, Shinichi Namekata, Toshiharu Hachisuka, Hiroyuki Kunii, Ippei Fujimoto 2011-03-22