Inventor
MATSUDA YOSHIFUMI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MATSUDA YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
8 patentsUS9752523B2Sep 5, 2017
Air-fuel ratio control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD3 citations72
US11898477B2Feb 13, 2024
Controller and control method for internal combustion engine
TOYOTA MOTOR CO LTD2 citations71
US12215646B1Feb 4, 2025
Abnormality diagnosis device for internal combustion engine
TOYOTA MOTOR CO LTD0 citations62
US11965444B2Apr 23, 2024
Controller and control method for internal combustion engine
TOYOTA MOTOR CO LTD0 citations50
US11891934B2Feb 6, 2024
Controller and control method for internal combustion engine
TOYOTA MOTOR CO LTD0 citations50
US12281604B2Apr 22, 2025
Removal determination device for exhaust gas purification device
TOYOTA MOTOR CO LTD0 citations48
US11698018B2Jul 11, 2023
Control device and control method for internal combustion engine
TOYOTA MOTOR CO LTD0 citations48
US12071908B2Aug 27, 2024
Controller for internal combustion engine, control method for internal combustion engine, and memory medium
TOYOTA MOTOR CO LTD0 citations45
HITACHI LTD
3 patentsUS6080476AJun 27, 2000
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD32 citations92
US6605374B2Aug 12, 2003
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD3 citations63
US6403242B1Jun 11, 2002
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD2 citations63