Inventor
HAYASHI KAZUMASA
JP18 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
12 patentsUS6148167ANov 14, 2000
Developing apparatus with a developing regulating member
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations90
US6567625B1May 20, 2003
Image forming apparatus and process cartridge with delayed rotation of photosensitive member
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US7391998B2Jun 24, 2008
Developing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations83
US5550619AAug 27, 1996
Electrophotographic apparatus of improved low image density
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5640648AJun 17, 1997
Electrophotographic apparatus having sealing member
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US5539502AJul 23, 1996
Multi-chamber electro-photographic developing unit for image forming apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations71
US7412194B2Aug 12, 2008
Developing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6049688AApr 11, 2000
Toner layer forming device for non-magnetic toner
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations61
US5648839AJul 15, 1997
Image forming apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
US7313351B2Dec 25, 2007
One-component type developing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations59
US7269381B2Sep 11, 2007
Developing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations51
US4689285AAug 25, 1987
Method for developing electrostatic image using magnetic brush and one component magnetic toner
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations35