Inventor

MATSUSHITA YUICHI

JP54 patents

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

MATSUSHITA YUICHI

BROTHER IND LTD

Developing device having a side seal member located between a developing roller and a case main body

Developing apparatus, process cartridge, developer cartridge, and image forming apparatus including leakage preventing member

Temperature-based rotational speed control for a developing roller in an image forming apparatus

Cleaning roller provided with shaft and elastic body wound thereabout

Developing device and image forming apparatus with seal members

Developing device, process cartridge, and image forming apparatus

Developing device, image carrier device, and image forming apparatus

Developer cartridge, process cartridge and image-forming device

Image forming apparatus and developer cartridge

Developing device and image forming apparatus

Developing device and image forming apparatus

Developing device

Image forming apparatus having image bearing member and collection device to collect materials adhered on the image bearing member

Cleaning roller provided with shaft and elastic body wound thereabout

Cleaning roller and cleaning device

Image forming apparatus

Image forming apparatus and method of manufacturing the same

Image forming apparatus

Image processing device and image processing method

Image forming apparatus, image formation process unit, and developing unit

Developing device, image carrier device, and image forming apparatus

Image forming apparatus that controls charging bias applied to charger

OKI ELECTRIC IND CO LTD

Semiconductor memory device

Pulse width modulation circuit

Voltage regulator which outputs a predetermined direct-current voltage with its extreme variation restrained

Semiconductor storage device

Start-up circuit

Start-up circuit

Booster circuit

Booster circuit

Semiconductor memory device for generating a controlling signal to select a word line

Semiconductor memory

Silicon-on-insulator differential amplifier circuit

Silicon-on-insulator differential amplifier circuit

Booster circuit

Semiconductor memory device having a common column decoder shared by plurality of banks

Booster circuit and method of driving the same

Data reading circuit having a clamping circuit for clamping a pair of data buses to predetermined potentials

Semiconductor device

Semiconductor memory device

MATSUSHITA YUICHI

Developing device

Developing device having seal member including base member and surface member having side surface disposed inward from side surface of base material

Developing device

Image forming apparatus

SONY CORP

Automatic head height control apparatus

Rotary magnetic head drum apparatus

XU FAN

Developing device

SATANI NORIHIKO

Semiconductor circuit and method of retrieving signal to semiconductor circuit

YAMAHA MOTOR CO LTD

Component replenishment management apparatus, component mounting system and component replenishment management method

DOMINO PRINTING SCIENCES PLC

Ink composition