Inventor

YOSHIKAWA KEITA

JP6 patents

⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA KEITA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITANI YUKIHIRO

2 patents

US11406009B2Aug 2, 2022

Substrate, power supply device, and substrate insulation method

MITANI YUKIHIRO0 citations50

US10887981B2Jan 5, 2021

Substrate, power supply device, and substrate insulation method

MITANI YUKIHIRO0 citations50

MIYADERA TATSUYA

1 patent

US9106861B2Aug 11, 2015

Method and apparatus for controlling adjustment of image parameters and image formation and an image apparatus including the game

MIYADERA TATSUYA4 citations71

RICOH CO LTD

1 patent

US10423114B2Sep 24, 2019

Power supply device, image forming apparatus, and output control method

RICOH CO LTD2 citations67

YOSHIKAWA KEITA

1 patent

US12050418B2Jul 30, 2024

Power supply device, image forming apparatus, and non-transitory recording medium with a superimposed voltage including an AC voltage and a DC voltage

YOSHIKAWA KEITA0 citations41

NAKAMURA AKINOBU

1 patent

US8983330B2Mar 17, 2015

Power supply, image forming device, and power supply method

NAKAMURA AKINOBU0 citations37