Inventor

MASUO KOJIRO

JP5 patents

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

NIPPON ZEON CO

3 patents

US6342328B1Jan 29, 2002

Toner for development of electrostatic charge image and method for producing the same

NIPPON ZEON CO38 citations91

US6562535B1May 13, 2003

Toner for development of electrostatic image

NIPPON ZEON CO30 citations88

US6365313B1Apr 2, 2002

Toner for development of electrostatic image and production process thereof

NIPPON ZEON CO18 citations80

ZEON CORP

2 patents

US6818371B2Nov 16, 2004

Electrophotographic developer, process for producing the same, and method of forming image

ZEON CORP3 citations61

US7008747B2Mar 7, 2006

Electrophotographic developer, production process thereof and image forming process

ZEON CORP0 citations51