Inventor

YOSHII MASAKO

JP11 patents

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

RICOH KK

4 patents

US5999773ADec 7, 1999

Image forming apparatus and cleaning method for contact-charging member

RICOH KK92 citations97

US5740494AApr 14, 1998

Configured to enhance toner collecting efficiency and toner redepositing efficiency

RICOH KK91 citations96

US5765087AJun 9, 1998

Color image forming method and color image forming apparatus practicable therewith

RICOH KK51 citations92

US6947682B2Sep 20, 2005

Image forming apparatus for reducing toner scatter

RICOH KK26 citations91

TDK CORP

2 patents

US7276130B2Oct 2, 2007

Production method of multilayer ceramic electronic device

TDK CORP8 citations72

US7578896B2Aug 25, 2009

Production method of multilayer ceramic electronic device

TDK CORP2 citations61

YOSHII MASAKO

2 patents

US8115794B2Feb 14, 2012

Optical scanning device and image forming apparatus

YOSHII MASAKO1 citations47

US12558912B2Feb 24, 2026

Container and content containing body, and method for producing container and container producing apparatus

YOSHII MASAKO0 citations46

SERIZAWA KEIICHI

1 patent

US12097997B2Sep 24, 2024

Container and content containing body, and method for producing container and container producing apparatus

SERIZAWA KEIICHI0 citations61

ARAI NOBUYUKI

1 patent

US8699096B2Apr 15, 2014

Image forming apparatus

ARAI NOBUYUKI0 citations41

ISHIKAWA EMIKO

1 patent

US8275275B2Sep 25, 2012

Image forming apparatus

ISHIKAWA EMIKO0 citations39