Patents/Inventors

Takashi Koyanagi

ShizuokaJP4 patents

5 Patents

US124055502025
Developing Device, Process Cartridge, and Electrophotographic Image Forming Apparatus
Canon Kabushiki Kaisha
0 cites
US123772762025
Pulse Discrimination Device and Electrocardiogram Analyzer
NIHON KOHDEN CORPORATION
0 cites
US121471702024
Image Forming Apparatus Having Toner Charging
CANON KABUSHIKI KAISHA
0 cites
US121380612024
Pulse Discrimination Device and Electrocardiogram Analyzer
NIHON KOHDEN CORPORATION
0 cites
US119661742024
Electrophotographic Member, Electrophotographic Process Cartridge, and Electrophotographic Image Forming Apparatus
CANON KABUSHIKI KAISHA
0 cites