Patents/Inventors

Ryusuke Mase

KanagawaJP2 patents

3 Patents

US123729082025
Image Forming Apparatus
RICOH COMPANY, Ltd.
0 cites
US118358872023
Developer Accommodating Device with Screw Including Screw Blade as Rotator, Developing Device, Process Cartridge, and Image Forming Apparatus
RICOH COMPANY, Ltd.
0 cites
US115735062023
Powder Container, Developing Device, and Image Forming Apparatus with Multiple Joints to Prevent Leakage
RICOH COMPANY, Ltd.
0 cites