YK

Yoshitomo Koga

OC Oki Electric Industry Co.: 4 patents #523 of 2,807Top 20%
Overall (All Time): #1,296,723 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5239345 Image forming apparatus having function of dust removal Hiroshi Kikuchi, Yoshiharu Momiyama, Masato Sakai, Katsuyuki Ito, Shinichi Katakura 1993-08-24
5235389 Replaceable toner cartridge with internal stirring member, and electrophotographic printer employing the same Hiroshi Kikuchi, Yukio Ota, Kazuki Obara, Yoshiharu Momiyama, Shigeki Nakajima +2 more 1993-08-10
5132734 Developing apparatus Yoshiharu Momiyama, Shigeki Nakajima, Hiroshi Kikuchi, Yukio Ota 1992-07-21
4417803 Pressure fixing device Masato Kobayashi, Yasushi Hoshino, Kazuyoshi Tateishi, Minoru Isobe, Hiroshi Konishi +1 more 1983-11-29