SN

Shigeo Nanno

Ricoh Company: 9 patents #28 of 1,683Top 2%
Overall (2011): #4,141 of 364,097Top 2%
9
Patents 2011

Issued Patents 2011

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8070159 Switchback mechanism and image forming apparatus Haruyuki Honda, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii +3 more 2011-12-06
8045888 Sheet conveying device and image forming apparatus Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more 2011-10-25
7982923 Image forming apparatus Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kohji Hatayama 2011-07-19
7963520 Sheet loading device, sheet conveying device, and image forming apparatus Mizuna Tanaka, Hiroshi Fujiwara, Tomoyoshi Yamazaki, Yasuhide Ohkubo, Haruyuki Honda +3 more 2011-06-21
7954814 Feeding device and image forming apparatus Masafumi Takahira, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +3 more 2011-06-07
7918451 Switchback mechanism and image forming apparatus Haruyuki Honda, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii +3 more 2011-04-05
7890017 Fixing device and image forming apparatus Yutaka Naitoh, Yoshikazu Yamazoe, Osamu Saito, Takuya Etoh 2011-02-15
7878725 Image forming apparatus having removable units Yasuhide Ohkubo, Hiroshi Fujiwara, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +2 more 2011-02-01
7873303 Upper frame opening and closing mechanism, and image forming apparatus using the same Yoshihide Ohta, Takuji Takahashi, Takamasa Shiraki, Takayuki Andoh, Kohji Hatayama 2011-01-18