MT

Masafumi Takahira

Ricoh Company: 9 patents #28 of 1,683Top 2%
Overall (2011): #4,372 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 Shigeo Nanno, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta +1 more 2011-10-25
7992860 Sheet feeding device, image forming apparatus, and sheet feeding method Ippei Kimura, Yasuo Matsuyama, Hiroshi Fujiwara, Yasuhide Ohkubo, Toshikane Nishii +3 more 2011-08-09
7983596 Housing structure and image forming apparatus Genta Hagiwara, Katsumi Kumada, Nobuhiko Kita, Sei Onuma, Haruo Hashimoto +1 more 2011-07-19
7963520 Sheet loading device, sheet conveying device, and image forming apparatus Mizuna Tanaka, Hiroshi Fujiwara, Shigeo Nanno, Tomoyoshi Yamazaki, Yasuhide Ohkubo +3 more 2011-06-21
7954814 Feeding device and image forming apparatus Hiroshi Fujiwara, Shigeo Nanno, 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
7878725 Image forming apparatus having removable units Yasuhide Ohkubo, Hiroshi Fujiwara, Shigeo Nanno, Ippei Kimura, Yoshihide Ohta +2 more 2011-02-01
7869750 Image forming apparatus with a phase of a first load torque substantially opposite to a phase of a second load torque Toru Hanashima, Tomoyoshi Yamazaki, Yuuji Meguro, Tatsuo Fukushima, Kimihiro Tanaka 2011-01-11