Inventor
IIMURA TSUTOMU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “IIMURA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
7 patentsUS4776070AOct 11, 1988
Directly-heating roller for fixing toner images
HITACHI METALS LTD30 citations92
US4640880AFeb 3, 1987
Electrophotographic process with magnetic brush development using semiconductive ferrite carriers
HITACHI METALS LTD46 citations92
US4888464ADec 19, 1989
Heat roll for electrophotography
HITACHI METALS LTD27 citations90
US4724305AFeb 9, 1988
Directly-heating roller for fuse-fixing toner images
HITACHI METALS LTD46 citations90
US4623603ANov 18, 1986
Spherical electrophotographic magnetoplumbite-type hexagonal ferrite carrier powder
HITACHI METALS LTD34 citations86
US4663193AMay 5, 1987
Process for manufacturing magnetic recording medium
HITACHI METALS LTD10 citations73
US5032570AJul 16, 1991
Method for producing ceramic superconducting material using intermediate products
HITACHI METALS LTD5 citations60
HITACHI LTD
5 patentsUS4439794AMar 27, 1984
Magnetic head
HITACHI LTD16 citations73
US4777499AOct 11, 1988
Method and apparatus for image recording
HITACHI LTD8 citations72
US4977415ADec 11, 1990
Electrostatic recording head, image recording apparatus, developing agent supplying device, display device and method of producing electrostatic recording head
HITACHI LTD4 citations60
US5144343ASep 1, 1992
Image recording method and apparatus
HITACHI LTD2 citations59
US5021810AJun 4, 1991
Printing machine
HITACHI LTD0 citations39