YO

Yoshihide Ohta

Ricoh Company: 35 patents #475 of 9,818Top 5%
Overall (All Time): #98,257 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
8045888 Sheet conveying device and image forming apparatus Shigeo Nanno, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Tomoyoshi Yamazaki +1 more 2011-10-25
8032071 Image forming apparatus including a reading part supported by first and second supporters Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Kohji Hatayama, Takashi Yokota 2011-10-04
7982923 Image forming apparatus Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Shigeo Nanno, Kohji Hatayama 2011-07-19
7963524 Image forming apparatus 2011-06-21
7937028 Image forming apparatuses having specialized toner structures and materials Masato Ogawa, Tetsuya Fujioka, Takuji Takahashi, Takamasa Shiraki, Kazushige Kawamura +1 more 2011-05-03
7878725 Image forming apparatus having removable units Yasuhide Ohkubo, Hiroshi Fujiwara, Shigeo Nanno, Ippei Kimura, Tomoyoshi Yamazaki +2 more 2011-02-01
7873303 Upper frame opening and closing mechanism, and image forming apparatus using the same Takuji Takahashi, Takamasa Shiraki, Shigeo Nanno, Takayuki Andoh, Kohji Hatayama 2011-01-18
7784780 Manual sheet-feeding device and image forming apparatus Shigeo Nanno, Yasuhide Ohkubo, Ippei Kimura, Tomoyoshi Yamazaki, Haruyuki Honda 2010-08-31
7764905 Assist members for an openable structure of an image forming apparatus Shigeo Nanno, Toshikane Nishii, Takuji Takahashi, Takamasa Shiraki, Takaaki Hagihara +1 more 2010-07-27
7751751 Image forming apparatus and damper Takuji Takahashi, Takamasa Shiraki, Takayuki Andoh, Shigeo Nanno 2010-07-06