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Yasuhiko Yoshikawa

MC Mita Industrial Co.: 6 patents #246 of 891Top 30%
Overall (All Time): #895,900 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4623137 Paper feeder equipped with copying paper cassettes Yoichiro Irie, Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Shibata 1986-11-18
4602864 Cleaning device in electrostatic copying apparatus Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Shibata, Yoichiro Irie, Kiyoshi Morimoto +5 more 1986-07-29
4533233 Electrostatic copying apparatus Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Shibata, Yoichiro Irie, Kiyoshi Morimoto +5 more 1985-08-06
4530588 Mount for a rotating drum and a developer within an electrostatic copying apparatus Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Shibata, Yoichiro Irie, Kiyoshi Morimoto +5 more 1985-07-23
4515464 Copying apparatus having a copy sheet sorter Yutaka Shigemura, Hiroshi Kimura, Masahiko Hisajima, Isao Yada, Yoichiro Irie +2 more 1985-05-07
4487497 Optical device in variable magnification electrostatic copying apparatus Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Morimoto, Kiyoshi Shibata, Takashi Nagashima +4 more 1984-12-11