Inventor
MARUYAMA TAKAFUMI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS7088620B2Aug 8, 2006
Nonvolatile semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6822907B2Nov 23, 2004
Nonvolatile semiconductor memory device and data readout method for the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations92
US6407946B2Jun 18, 2002
Nonvolatile semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US6188608B1Feb 13, 2001
Nonvolatile semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US7123510B2Oct 17, 2006
Non-volatile semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US6272049B1Aug 7, 2001
Non-volatile semiconductor memory device having increased operating speed
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US7408820B2Aug 5, 2008
Nonvolatile semiconductor memory with virtual ground array
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
MITSUBISHI ELECTRIC CORP
6 patentsUS6087791AJul 11, 2000
Control apparatus for internal combustion type electric locomotive
MITSUBISHI ELECTRIC CORP50 citations92
US5155675AOct 13, 1992
Method of controlling an inverter
MITSUBISHI ELECTRIC CORP49 citations91
US6995540B2Feb 7, 2006
Electric motor car controller
MITSUBISHI ELECTRIC CORP12 citations84
US5060129AOct 22, 1991
Method of controlling three-phase, three-level inverter
MITSUBISHI ELECTRIC CORP16 citations74
US7453231B2Nov 18, 2008
Electric vehicle control device
MITSUBISHI ELECTRIC CORP6 citations61
US5041927AAug 20, 1991
Magnetic disc driving apparatus having speed and position control
MITSUBISHI ELECTRIC CORP1 citations52
HITACHI LTD
4 patentsUS10895989B2Jan 19, 2021
Multi-node storage system and queue control method of multi-node storage system
HITACHI LTD2 citations73
US12061804B2Aug 13, 2024
Storage system and data processing method
HITACHI LTD1 citations54
US10013372B2Jul 3, 2018
Input/output apparatus and method
HITACHI LTD0 citations37
US8799530B2Aug 5, 2014
Data processing system with a host bus adapter (HBA) running on a PCIe bus that manages the number enqueues or dequeues of data in order to reduce bottleneck
HITACHI LTD0 citations37