HF

Hiroshi Fujiwara

Ricoh Company: 8 patents #45 of 1,683Top 3%
Overall (2011): #6,273 of 364,097Top 2%
8
Patents 2011

Issued Patents 2011

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8070159 Switchback mechanism and image forming apparatus Haruyuki Honda, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii, Shigeo Nanno +3 more 2011-12-06
8045888 Sheet conveying device and image forming apparatus Shigeo Nanno, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more 2011-10-25
7992860 Sheet feeding device, image forming apparatus, and sheet feeding method Ippei Kimura, Yasuo Matsuyama, Yasuhide Ohkubo, Toshikane Nishii, Mizuna Tanaka +3 more 2011-08-09
7963520 Sheet loading device, sheet conveying device, and image forming apparatus Mizuna Tanaka, Shigeo Nanno, Tomoyoshi Yamazaki, Yasuhide Ohkubo, Haruyuki Honda +3 more 2011-06-21
7954814 Feeding device and image forming apparatus Masafumi Takahira, Shigeo Nanno, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +3 more 2011-06-07
7918451 Switchback mechanism and image forming apparatus Haruyuki Honda, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii, Shigeo Nanno +3 more 2011-04-05
7900917 Recording medium conveyer capable of effectively conveying recording medium of various types Mizuna Tanaka, Tomoyoshi Yamazaki, Toshikane Nishii, Kazuyoshi Kondo, Haruyuki Honda 2011-03-08
7878725 Image forming apparatus having removable units Yasuhide Ohkubo, Shigeo Nanno, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +2 more 2011-02-01