Inventor
KABUMOTO MASAAKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KABUMOTO MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
23 patentsUS6507720B2Jan 14, 2003
Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor
RICOH KK209 citations99
US7469981B2Dec 30, 2008
Compact front-operable image forming apparatus
RICOH KK49 citations96
US6304739B1Oct 16, 2001
Toner container and image forming apparatus using the same
RICOH KK74 citations95
US6259866B1Jul 10, 2001
Image forming apparatus
RICOH KK43 citations93
US6226475B1May 1, 2001
Image forming apparatus with a plurality of units configured for ease of operation
RICOH KK18 citations93
USD443891SJun 19, 2001
Printer
RICOH KK17 citations92
US7275808B2Oct 2, 2007
Ink cartridge and ink jet printer
RICOH KK15 citations84
USD468762SJan 14, 2003
Composite digital color printer/copy machine
RICOH KK14 citations84
USD541335SApr 24, 2007
Printer ink cartridge
RICOH KK8 citations74
USD497383SOct 19, 2004
Printer ink cartridge
RICOH KK6 citations74
USD494616SAug 17, 2004
Printer ink cartridge
RICOH KK8 citations74
US6526242B2Feb 25, 2003
Image forming apparatus with a plurality of units operatively connected together
RICOH KK7 citations74
US6396410B1May 28, 2002
Image forming apparatus
RICOH KK13 citations74
US6389249B2May 14, 2002
Image forming apparatus with a plurality of units operatively connected together
RICOH KK10 citations74
USD566170SApr 8, 2008
Inkjet printer
RICOH KK7 citations73
USD443886SJun 19, 2001
Electronic copying machine
RICOH KK9 citations72
USD548779SAug 14, 2007
Printer ink cartridge
RICOH KK5 citations63
USD566757SApr 15, 2008
Inkjet printer
RICOH KK5 citations62
USD497944SNov 2, 2004
Ink-jet printer
RICOH KK4 citations62
USD465224SNov 5, 2002
Facsimile transmitter-receiver
RICOH KK3 citations61
USD450753SNov 20, 2001
Gatherer for copying machine
RICOH KK5 citations61
USD539342SMar 27, 2007
Printer ink cartridge
RICOH KK0 citations52
USD523073SJun 13, 2006
Ink-jet printer
RICOH KK1 citations52
RICOH CO LTD
9 patentsUSD972008SDec 6, 2022
Printer
RICOH CO LTD13 citations84
USD956137SJun 28, 2022
Image forming unit for printer
RICOH CO LTD9 citations84
USD955470SJun 21, 2022
Image forming unit for printer
RICOH CO LTD9 citations84
USD349890SAug 23, 1994
Optical filing system
RICOH CO LTD10 citations74
USD428914SAug 1, 2000
Electronic copying machine
RICOH CO LTD12 citations72
USD425108SMay 16, 2000
Electronic copying machine
RICOH CO LTD12 citations72
USD429276SAug 8, 2000
Automatic document feeder for electronic copying machine
RICOH CO LTD5 citations61
USD429275SAug 8, 2000
Stacker for electronic copying machine
RICOH CO LTD0 citations51
USD426260SJun 6, 2000
Sheet feeder for electronic copying machine
RICOH CO LTD1 citations51