Patents/Inventors

Tetsu Koyama

TokyoJP5 patents

3 Patents

USD10099882024
Toner Cartridge
OKI ELECTRIC INDUSTRY CO., Ltd.
0 cites
USD09980332023
Image Drum Cartridge
OKI ELECTRIC INDUSTRY CO., Ltd.
0 cites
USD09845292023
Image Drum Cartridge
OKI ELECTRIC INDUSTRY CO., Ltd.
0 cites