YO

Yoshihide Ohta

Ricoh Company: 7 patents #63 of 1,683Top 4%
Overall (2011): #6,819 of 364,097Top 2%
7
Patents 2011

Issued Patents 2011

Showing 1–7 of 7 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