KO

Keiji Oishi

KC Konishiroku Photo Industry Co.: 4 patents #209 of 894Top 25%
RK Riso Kagaku: 1 patents #321 of 551Top 60%
Overall (All Time): #1,033,530 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7287465 Stencil printing machine and control method thereof Masami Nojiri, Satoshi Kouzai 2007-10-30
4576466 Developing system for an electrostatic copying apparatus Masakazu Fukuchi 1986-03-18
4559898 Developing unit Masakazu Fukuchi, Yasuyuki Iwai 1985-12-24
4451134 Magnetic-brush developing device Masakazu Fukuchi, Yoshio Yamazaki 1984-05-29
4368258 Process for preparing impregnated polymer latex compositions Mitsuto Fujiwhara, Syunji Matsuo, Tsuneo Wada, Naoto Abe, Toyoaki Masukawa +1 more 1983-01-11