Inventor
MURAKAMI HIROYUKI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “MURAKAMI HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
6 patentsUS7356281B2Apr 8, 2008
Toner, developing device and developing method using the same
SEIKO EPSON CORP11 citations84
US7358023B2Apr 15, 2008
Method for producing toner, toner and printed matter
SEIKO EPSON CORP8 citations74
US7083889B2Aug 1, 2006
Toner, fixing device, and image forming apparatus
SEIKO EPSON CORP8 citations74
US7529503B2May 5, 2009
Toner, developing device and developing method using the same
SEIKO EPSON CORP4 citations63
US7189485B2Mar 13, 2007
Toner
SEIKO EPSON CORP2 citations63
US7105261B2Sep 12, 2006
Toner, fixing device, and image forming apparatus
SEIKO EPSON CORP1 citations52
NABTESCO AUTOMOTIVE CORP
6 patentsUS9709057B2Jul 18, 2017
Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
NABTESCO AUTOMOTIVE CORP1 citations60
US10543449B2Jan 28, 2020
Silencer, exhaust valve, valve device, air dryer, compressed air supply device for vehicle, and compressed air supply system
NABTESCO AUTOMOTIVE CORP0 citations51
US9908077B2Mar 6, 2018
Silencer, exhaust valve, valve device, air dryer, compressed air supply device for vehicle, and compressed air supply system
NABTESCO AUTOMOTIVE CORP0 citations51
US9649588B2May 16, 2017
Silencer, exhaust valve, valve device, air dryer, compressed air supply device for vehicle, and compressed air supply system
NABTESCO AUTOMOTIVE CORP0 citations51
US10253775B2Apr 9, 2019
Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
NABTESCO AUTOMOTIVE CORP0 citations50
US10105634B2Oct 23, 2018
Compressed air-drying device
NABTESCO AUTOMOTIVE CORP0 citations39
YAMAHA CORP
4 patentsUS7432429B2Oct 7, 2008
Pedaling aid for handicapped musician
YAMAHA CORP4 citations62
US11170742B2Nov 9, 2021
Sostenuto mechanism for keyboard instrument and keyboard instrument
YAMAHA CORP0 citations53
US9311905B2Apr 12, 2016
Installation structure for acoustic transducer and musical instrument
YAMAHA CORP1 citations50
US9269335B2Feb 23, 2016
Installation structure for acoustic transducer
YAMAHA CORP1 citations50
RICOH CO LTD
3 patentsUS7838193B2Nov 23, 2010
Toner and image forming method using the toner
RICOH CO LTD10 citations84
US7867685B2Jan 11, 2011
Image forming method and apparatus
RICOH CO LTD5 citations74
US8012658B2Sep 6, 2011
Toner for developing electrostatic image, and image forming apparatus and process cartridge using the toner
RICOH CO LTD1 citations52
MINATO ICHIRO
3 patentsUS9017460B2Apr 28, 2015
Silencer, exhaust valve, valve device, air dryer, compressed air supply device for vehicle, and compressed air supply system
MINATO ICHIRO12 citations82
US8540809B2Sep 24, 2013
Structure of external cover of air drying apparatus
MINATO ICHIRO12 citations79
US8663375B2Mar 4, 2014
Oil suppressing structure in air drying device
MINATO ICHIRO3 citations61
FUJITSU LTD
2 patentsRICOH KK
2 patentsUS7727694B2Jun 1, 2010
Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner
RICOH KK9 citations84
US7817946B2Oct 19, 2010
Developing device, image developing method, image forming apparatus, image forming method, and process cartridge
RICOH KK7 citations74
HITACHI INT ELECTRIC INC
2 patentsROHM CO LTD
2 patentsUS10277133B2Apr 30, 2019
Isolated DC/DC converter, primary side controller, power adapter, and electronic device
ROHM CO LTD2 citations71
US9991788B2Jun 5, 2018
Power factor correction circuit for regulating operating frequency control circuit of power factor correction circuit and control method thereof, electronic apparatus, and power adapter
ROHM CO LTD3 citations70