Inventor

MATSUMOTO KEIKO

JP29 patents

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

MATSUMOTO KEIKO

RICOH KK

Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process

Toner, developer, toner container, process cartridge, and an image forming apparatus

Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner

Developing-agent container, method of manufacturing developing-agent container, developing-agent supplying device, and image forming apparatus

RICOH CO LTD

Developing device and image forming apparatus using same

Developing agent storage device and image forming apparatus having same in which the chargeability level of the toner, storage device, and carrier have a specific relationship

Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge

Developer supply device and image forming apparatus comprising same

SHIMADZU CORP

Supercritical fluid chromatograph and supercritical fluid chromatography analysis method

Biological membrane phosphoinositide separation method

Loop injection mechanism

MATSUMOTO KEIKO

Developing device including refill operation

Image forming apparatus and method

Developer loading method, loaded developer accommodating container, developer replenishment device, and image forming apparatus

TOSHIBA KK

Device for optically measuring physical quantity in power equipment and method of manufacturing the same

Optical fiber cable and a method for manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES

Light emitting apparatus

KAKEN PHARMA CO LTD

Powdery inhalational preparations and process for producing the same

KOSUGE AKIO

Image forming apparatus incorporating line sensor

YOSHIDA KEN

Image forming apparatus

TAISHO PHARMACEUTICAL CO LTD

Small fixed quantity dispenser for aerosol container

TSUDA KIYONORI

Developing device and image forming apparatus using same

ITO DAISUKE

Image forming apparatus

DENKA SEIKEN KK

Method of multiquantification for cholesterol of low-density lipoprotein

KOEDA MAIKO

Developer supply system and image forming apparatus incorporating same

UNO MUGIJIROU

Image forming apparatus and developer replenishing method

MATSUE NATSUMI

Image forming apparatus incorporating image reader

JAPAN RADIO CO LTD

Orthogonal separation device and orthogonal separation method

UNO MUGIJIRO

Image forming apparatus and developer supply method therefor