Inventor
OHKI MASAHIRO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “OHKI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
14 patentsUS7531279B2May 12, 2009
Toner manufacturing method, toner and developer
RICOH KK22 citations92
US7504188B2Mar 17, 2009
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK33 citations92
US7459255B2Dec 2, 2008
Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the same
RICOH KK31 citations92
US7449273B2Nov 11, 2008
Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner
RICOH KK31 citations92
US7374848B2May 20, 2008
Toner and method or preparing the toner
RICOH KK19 citations92
US7348117B2Mar 25, 2008
Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner
RICOH KK27 citations92
US7348121B2Mar 25, 2008
Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner
RICOH KK23 citations92
US7550245B2Jun 23, 2009
Toner and production method of the same, and image forming method
RICOH KK10 citations84
US7488564B2Feb 10, 2009
Toner and method for producing the same, and image-forming method using the same
RICOH KK15 citations84
US7235338B2Jun 26, 2007
Toner and image forming method and process cartridge for image forming apparatus using the toner
RICOH KK13 citations84
US7670741B2Mar 2, 2010
Toner
RICOH KK2 citations63
US7695883B2Apr 13, 2010
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK3 citations62
US7820350B2Oct 26, 2010
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method
RICOH KK1 citations52
US7666563B2Feb 23, 2010
Toner and developer using the toner
RICOH KK1 citations52
NEC CORP
7 patentsUS5963559AOct 5, 1999
Radio transmission with a slow transmission mode used when retransmission of a data frame fails even repeated
NEC CORP66 citations96
US7483697B2Jan 27, 2009
System for managing mobile node in mobile network
NEC CORP30 citations92
US6363100B1Mar 26, 2002
Radio data communication system using spread spectrum scheme
NEC CORP26 citations92
US6310865B1Oct 30, 2001
High-speed wireless access device
NEC CORP28 citations92
US6188680B1Feb 13, 2001
Radio ATM transceiver
NEC CORP28 citations92
US5805990ASep 8, 1998
Radio data communications apparatus with battery saving function
NEC CORP21 citations92
US5694420ADec 2, 1997
Wireless modem with low power consumption and high reliability in reception
NEC CORP27 citations92
RICOH CO LTD
5 patentsUS8026031B2Sep 27, 2011
Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method
RICOH CO LTD6 citations74
US8007977B2Aug 30, 2011
Toner and image forming method using the toner
RICOH CO LTD6 citations74
US8034524B2Oct 11, 2011
Toner and image forming method using the toner
RICOH CO LTD3 citations63
US7932007B2Apr 26, 2011
Toner and method for producing the same, and image-forming method using the same
RICOH CO LTD2 citations63
US7989131B2Aug 2, 2011
Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container
RICOH CO LTD1 citations52