Inventor

MASUMURA MASAO

JP4 patents

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

RICOH KK

2 patents

US5083160AJan 21, 1992

Image density control method and color image forming apparatus

RICOH KK49 citations92

US4200387AApr 29, 1980

Image reversal electrostatographic apparatus

RICOH KK12 citations69

JECO KK

1 patent

US4490768ADec 25, 1984

Apparatus for preventing arc discharge of transfer switch circuit for inductive load

JECO KK15 citations70

SEIKO EPSON CORP

1 patent

US4822186AApr 18, 1989

Carriage mechanism for thermal printer

SEIKO EPSON CORP6 citations55