Inventor
NARUMI SATOSHI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “NARUMI SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
15 patentsUS7480476B2Jan 20, 2009
Developer container, developer supplying device, and image forming apparatus
RICOH KK115 citations99
US7321744B2Jan 22, 2008
Developer container, developer supplying device, and image forming apparatus
RICOH KK111 citations99
US7697870B2Apr 13, 2010
Developer container, developer supplying device, and image forming apparatus
RICOH KK54 citations98
US7519317B2Apr 14, 2009
Developer container, developer supplying device, and image forming apparatus
RICOH KK72 citations98
US7184691B2Feb 27, 2007
Toner container, toner supply device and image forming apparatus
RICOH KK81 citations98
US7076192B2Jul 11, 2006
Powder conveying device and image forming apparatus using the same
RICOH KK55 citations96
US7398038B2Jul 8, 2008
Image forming apparatus using a toner container and a process cartridge
RICOH KK47 citations93
US7212767B2May 1, 2007
Image forming apparatus and process cartridge removably mounted thereto
RICOH KK27 citations93
US7577379B2Aug 18, 2009
Toner container, toner supply device and image forming apparatus
RICOH KK42 citations92
US7493061B2Feb 17, 2009
Process cartridge including at least one replaceable member and image forming apparatus
RICOH KK22 citations92
US7136610B2Nov 14, 2006
Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself
RICOH KK38 citations92
US7024133B2Apr 4, 2006
Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself
RICOH KK50 citations92
US7003255B2Feb 21, 2006
Image forming apparatus and process cartridge
RICOH KK13 citations82
US7158730B2Jan 2, 2007
Image forming apparatus, process cartridge, developing unit, and image forming method
RICOH KK6 citations73
US7522850B2Apr 21, 2009
Image forming apparatus, process cartridge, developing unit, and image forming method
RICOH KK4 citations62
RENESAS ELECTRONICS CORP
7 patentsUS7902775B2Mar 8, 2011
Motor driving device
RENESAS ELECTRONICS CORP12 citations84
US8018189B2Sep 13, 2011
Motor drive apparatus
RENESAS ELECTRONICS CORP17 citations83
US11114962B2Sep 7, 2021
Semiconductor device, motor drive system, and motor control program
RENESAS ELECTRONICS CORP3 citations73
US10693396B2Jun 23, 2020
Semiconductor device, motor driving system, and motor control program
RENESAS ELECTRONICS CORP1 citations62
US12431824B2Sep 30, 2025
Semiconductor device, motor drive system, and control method thereof
RENESAS ELECTRONICS CORP0 citations49
US11942890B2Mar 26, 2024
Semiconductor device, motor drive system, and method of starting motor
RENESAS ELECTRONICS CORP0 citations49
US10658947B2May 19, 2020
Semiconductor device, power module, and control method of power conversion device
RENESAS ELECTRONICS CORP0 citations42
RENESAS TECH CORP
4 patentsUS6806663B2Oct 19, 2004
Motor driving circuit
RENESAS TECH CORP29 citations91
US6724166B2Apr 20, 2004
Apparatus for reducing motor driving noise and method for generating motor driving noise reducing signal
RENESAS TECH CORP31 citations91
US7106013B2Sep 12, 2006
Motor drive apparatus driving 3-phase brushless motor without using hall sensor
RENESAS TECH CORP12 citations83
US7176677B2Feb 13, 2007
Stationary position detection circuit and motor drive circuit
RENESAS TECH CORP5 citations61
RICOH CO LTD
3 patentsUS8005406B2Aug 23, 2011
Developer container, developer supplying device, and image forming apparatus
RICOH CO LTD60 citations98
US7835673B2Nov 16, 2010
Developer container, developer supplying device, and image forming apparatus
RICOH CO LTD58 citations98
US7962069B2Jun 14, 2011
Toner container, image forming apparatus, method of recycling toner container
RICOH CO LTD19 citations93