Inventor
KAYAMA RYOZO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KAYAMA RYOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
14 patentsUS6857415B2Feb 22, 2005
Control system for internal combustion engine
DENSO CORP21 citations92
US10234420B2Mar 19, 2019
Gas sensor control device
DENSO CORP11 citations82
US7195000B2Mar 27, 2007
Fuel injector designed to optimize pattern of fuel spray
DENSO CORP18 citations82
US10634643B2Apr 28, 2020
Gas sensor control device
DENSO CORP2 citations71
US11054388B2Jul 6, 2021
Gas sensor control device
DENSO CORP2 citations67
US11092099B2Aug 17, 2021
Control apparatus
DENSO CORP0 citations50
US11035283B2Jun 15, 2021
Control apparatus
DENSO CORP0 citations50
US11249043B2Feb 15, 2022
Control device for gas sensor
DENSO CORP0 citations49
US11774403B2Oct 3, 2023
Gas sensor control device
DENSO CORP0 citations48
US11428663B2Aug 30, 2022
Gas sensor control device
DENSO CORP0 citations46
US10564120B2Feb 18, 2020
Gas concentration detection device
DENSO CORP0 citations41
US9222379B2Dec 29, 2015
Electric control device
DENSO CORP0 citations41
US10690028B2Jun 23, 2020
Abnormality detection device for engine system detecting an abnormality in a fuel vapor pipe
DENSO CORP0 citations40
US10174698B2Jan 8, 2019
Heater control device for exhaust gas sensor
DENSO CORP0 citations39