KY

Keita Yoshikawa

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #799,202 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12050418 Power supply device, image forming apparatus, and non-transitory recording medium with a superimposed voltage including an AC voltage and a DC voltage Kentaroh Kurosu, Taichi Urayama, Suguru Yokozawa 2024-07-30
11406009 Substrate, power supply device, and substrate insulation method Yukihiro Mitani 2022-08-02
10887981 Substrate, power supply device, and substrate insulation method Yukihiro Mitani 2021-01-05
10423114 Power supply device, image forming apparatus, and output control method 2019-09-24
9106861 Method and apparatus for controlling adjustment of image parameters and image formation and an image apparatus including the game Tatsuya Miyadera, Hideo Tanaka, Akinobu Nakamura 2015-08-11
8983330 Power supply, image forming device, and power supply method Akinobu Nakamura, Yutaka Aso, Fuminori Tsuchiya, Susumu Miyazaki, Tatsuya Miyadera +1 more 2015-03-17