HY

Hiroshi Yoshinaga

Ricoh Company: 5 patents #145 of 1,683Top 9%
Overall (2011): #17,411 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8073352 Image forming apparatus, and method of controlling warming-up time of image forming apparatus Hiroyuki Kunii, Ippei Fijimoto, Toshiharu Hachisuka, Yasunori Ishigaya, Shinichi Namekata 2011-12-06
8064798 Fixing device and image forming apparatus with heating member heated uniformly in circumferential direction Akira Shinshi, Kenichi Hasegawa, Yasunori Ishigaya, Ryota Yamashina 2011-11-22
8023861 Fixing device and image-forming apparatus comprising the same Masanao Ehara, Akira Shinshi, Naoki Iwaya, Yoshiki Yamaguchi 2011-09-20
7983598 Fixing device and image forming apparatus Akira Shinshi 2011-07-19
7912392 Image forming apparatus with glossy image printing mode Shinichi Namekata, Toshiharu Hachisuka, Hiroyuki Kunii, Ippei Fujimoto, Yasunori Ishigaya 2011-03-22