Inventor
MURAYAMA RYUJI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “MURAYAMA RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS10877386B2Dec 29, 2020
Toner
CANON KK25 citations94
US10775710B1Sep 15, 2020
Toner
CANON KK33 citations94
US10514624B2Dec 24, 2019
Toner
CANON KK33 citations94
US10451990B2Oct 22, 2019
Toner and method for producing toner
CANON KK35 citations94
US10353312B2Jul 16, 2019
Toner
CANON KK37 citations94
US10228629B2Mar 12, 2019
Toner
CANON KK43 citations94
US10203619B2Feb 12, 2019
Toner and method for producing toner
CANON KK43 citations94
US10088765B2Oct 2, 2018
Toner and method for producing toner
CANON KK45 citations94
US10078281B2Sep 18, 2018
Toner and method for producing toner
CANON KK46 citations94
US10012920B2Jul 3, 2018
Toner and method of producing toner
CANON KK46 citations94
US9897934B2Feb 20, 2018
Toner
CANON KK47 citations94
US11131938B2Sep 28, 2021
Toner and image forming method
CANON KK10 citations85
US9958800B2May 1, 2018
Toner
CANON KK4 citations73
US11762307B2Sep 19, 2023
Toner
CANON KK2 citations72
US12259684B2Mar 25, 2025
Magnetic carrier, two-component developer, and replenishment developer
CANON KK0 citations52
US12222678B2Feb 11, 2025
Magnetic carrier, two-component developer, and replenishment developer
CANON KK0 citations52
US12164265B2Dec 10, 2024
Magnetic carrier, two-component developer, and developer for replenishment
CANON KK0 citations52
US10234779B2Mar 19, 2019
Toner and method of producing toner
CANON KK0 citations52
US10216106B2Feb 26, 2019
Method for producing toner
CANON KK0 citations41
US9658550B2May 23, 2017
Toner for use in electrophotographic systems
CANON KK0 citations41
PIONEER ELECTRONIC CORP
5 patentsUS5227252AJul 13, 1993
Electroluminescent device
PIONEER ELECTRONIC CORP166 citations97
US5276381AJan 4, 1994
Organic electroluminescent device
PIONEER ELECTRONIC CORP76 citations95
US5518825AMay 21, 1996
Organic electroluminescent device
PIONEER ELECTRONIC CORP23 citations91
US5104740AApr 14, 1992
Electroluminescent element
PIONEER ELECTRONIC CORP38 citations91
US5346772ASep 13, 1994
Organic electroluminescence device
PIONEER ELECTRONIC CORP11 citations72
NISSHIN FLOUR MILLING CO
5 patentsUS5332803AJul 26, 1994
Processes for the preparation of amylase inhibitor
NISSHIN FLOUR MILLING CO37 citations91
US5726291AMar 10, 1998
Amylase inhibitors
NISSHIN FLOUR MILLING CO5 citations61
US5444046AAug 22, 1995
Amylase inhibitors
NISSHIN FLOUR MILLING CO5 citations61
US5440019AAug 8, 1995
Processes of producing amylase inhibitors
NISSHIN FLOUR MILLING CO3 citations61
US5789380AAug 4, 1998
Agents for inhibiting accumulation of visceral fat
NISSHIN FLOUR MILLING CO3 citations59
PIONEER TOHOKU CORP
4 patentsUS6811808B2Nov 2, 2004
Organic electroluminescent display panel and method of manufacturing the same
PIONEER TOHOKU CORP23 citations92
US7851074B2Dec 14, 2010
Organic electroluminescent display device and chemical compounds for liquid crystals
PIONEER TOHOKU CORP11 citations83
US7195826B2Mar 27, 2007
Organic electroluminescent display device and chemical compounds for liquid crystals
PIONEER TOHOKU CORP13 citations83
US7187120B2Mar 6, 2007
Organic electroluminescent display panel and method of manufacturing the same
PIONEER TOHOKU CORP15 citations83