KA

Kyoichi Ashikawa

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #871,938 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7458253 Method for evaluating fixing member and fixing belt and thermal fixing roller Norihiko Aze, Kohji Kamiya, Minoru Matsuo, Takayuki Yoshii, Nozomu Takahata 2008-12-02
7354617 Fixing belt and method for evaluating it Kohji Kamiya, Norihiko Aze, Minoru Matsuo, Nozomu Takahata 2008-04-08
7024923 Method for evaluating fixing member and fixing belt and thermal fixing roller Norihiko Aze, Kohji Kamiya, Minoru Matsuo, Takayuki Yoshii, Nozomu Takahata 2006-04-11
6861124 Fixing belt and method for evaluating it Kohji Kamiya, Norihiko Aze, Minoru Matsuo, Nozomu Takahata 2005-03-01
6287246 Development roller Takayuki Yoshii, Taisuke Tokuwaki, Makoto Nakamura, Yoshiyuki Takano, Atsushi Ohta +1 more 2001-09-11
5244741 Developing roller of monocomponent developing system Hisatsugu Nagano, Takeo Araki, Fumio Okuya, Tsuyoshi Imamura 1993-09-14