Inventor
OGAWA MUTSUO
23 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA MUTSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
19 patentsUS7046383B1May 16, 2006
Printing system including different kinds of printers and a printer selecting device therefor
RICOH KK21 citations92
US4000371ADec 28, 1976
Facsimile transmission method and system
RICOH KK53 citations92
US4297727AOct 27, 1981
Facsimile apparatus
RICOH KK38 citations91
US4291339ASep 22, 1981
Facsimile transceiver
RICOH KK21 citations78
US4760462AJul 26, 1988
Heat sensitive recording system in facsimile communication
RICOH KK16 citations74
US4631597ADec 23, 1986
Video data transmission apparatus
RICOH KK10 citations74
US4605848AAug 12, 1986
Photosensor and output control therefor
RICOH KK13 citations74
US4449149AMay 15, 1984
Facsimile apparatus
RICOH KK9 citations74
US4398222AAug 9, 1983
Facsimile apparatus
RICOH KK12 citations74
US4347533AAug 31, 1982
Facsimile reading and recording device
RICOH KK8 citations74
US4217611AAug 12, 1980
Optoelectronic scanning apparatus
RICOH KK13 citations74
US4112467ASep 5, 1978
Failure mode control apparatus for electronic graphic data transmission system
RICOH KK12 citations74
US4053930AOct 11, 1977
Method and device for coding compressing video information
RICOH KK8 citations74
US3962534AJun 8, 1976
Facsimile set
RICOH KK13 citations74
US4620233AOct 28, 1986
Facsimile transceiver utilizing orthogonal conversion
RICOH KK16 citations72
US5872641AFeb 16, 1999
Method and apparatus for transmission of facsimile messages
RICOH KK16 citations71
US4504115AMar 12, 1985
Digital facsimile communication system capable of representing tone differences
RICOH KK6 citations63
US4559565ADec 17, 1985
Thermosensitive recording system
RICOH KK4 citations62
US4459617AJul 10, 1984
Facsimile reception apparatus
RICOH KK2 citations62
TOHOKU RIKO KK
3 patentsUS6819446B1Nov 16, 2004
Image forming system
TOHOKU RIKO KK21 citations91
US7397577B2Jul 8, 2008
Printing system including different kinds of printers and a printer selecting device therefor
TOHOKU RIKO KK3 citations63
US7123377B2Oct 17, 2006
System for managing number of sheets for image formation
TOHOKU RIKO KK4 citations61