Inventor
ISHIKAWA MASATOSHI
JP89 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
19 patentsUS6480946B1Nov 12, 2002
Memory system for synchronized and high speed data transfer
MITSUBISHI ELECTRIC CORP181 citations99
US6125078ASep 26, 2000
Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system
MITSUBISHI ELECTRIC CORP116 citations99
US6618319B2Sep 9, 2003
Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system
MITSUBISHI ELECTRIC CORP79 citations98
US6597617B2Jul 22, 2003
Semiconductor device with reduced current consumption in standby state
MITSUBISHI ELECTRIC CORP83 citations98
US6438066B1Aug 20, 2002
Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system
MITSUBISHI ELECTRIC CORP93 citations98
US6337832B1Jan 8, 2002
Operable synchronous semiconductor memory device switching between single data rate mode and double data rate mode
MITSUBISHI ELECTRIC CORP98 citations98
US6292015B1Sep 18, 2001
Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operation
MITSUBISHI ELECTRIC CORP84 citations98
US6522599B2Feb 18, 2003
Operable synchronous semiconductor memory device switching between single data rate mode and double data rate mode
MITSUBISHI ELECTRIC CORP49 citations96
US6483165B2Nov 19, 2002
Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operation
MITSUBISHI ELECTRIC CORP38 citations96
US6414894B2Jul 2, 2002
Semiconductor device with reduced current consumption in standby state
MITSUBISHI ELECTRIC CORP66 citations96
US6384674B2May 7, 2002
Semiconductor device having hierarchical power supply line structure improved in operating speed
MITSUBISHI ELECTRIC CORP73 citations96
US6107700AAug 22, 2000
Semiconductor device of hierarchical power source structure
MITSUBISHI ELECTRIC CORP57 citations96
US6314048B1Nov 6, 2001
Semiconductor memory device for fast access
MITSUBISHI ELECTRIC CORP43 citations93
US6288573B1Sep 11, 2001
Semiconductor device capable of operating fast with a low voltage and reducing power consumption during standby
MITSUBISHI ELECTRIC CORP21 citations93
US6411560B1Jun 25, 2002
Semiconductor memory device capable of reducing leakage current flowing into substrate
MITSUBISHI ELECTRIC CORP48 citations92
US6584005B1Jun 24, 2003
Semiconductor memory device preventing erroneous writing in write operation and delay in read operation
MITSUBISHI ELECTRIC CORP18 citations84
US6373775B2Apr 16, 2002
Semiconductor memory device with restrained scale of decoding circuit used in shift redundancy
MITSUBISHI ELECTRIC CORP13 citations74
US6147544ANov 14, 2000
Data transfer circuit transferring complementary data signals
MITSUBISHI ELECTRIC CORP9 citations74
US6466509B1Oct 15, 2002
Semiconductor memory device having a column select line transmitting a column select signal
MITSUBISHI ELECTRIC CORP12 citations73
RENESAS TECH CORP
8 patentsUS6724686B2Apr 20, 2004
Operable synchronous semiconductor memory device switching between single data rate mode and double data rate mode
RENESAS TECH CORP41 citations96
US6822897B2Nov 23, 2004
Thin film magnetic memory device selecting access to a memory cell by a transistor of a small gate capacitance
RENESAS TECH CORP23 citations93
US6794904B2Sep 21, 2004
Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operation
RENESAS TECH CORP15 citations93
US6757191B2Jun 29, 2004
Thin film magnetic memory device sharing an access element by a plurality of memory cells
RENESAS TECH CORP25 citations93
US6903965B2Jun 7, 2005
Thin film magnetic memory device permitting high precision data read
RENESAS TECH CORP15 citations84
US6788571B2Sep 7, 2004
Thin film magnetic memory device having an access element shared by a plurality of memory cells
RENESAS TECH CORP13 citations84
US6781873B2Aug 24, 2004
Non-volatile memory device capable of generating accurate reference current for determination
RENESAS TECH CORP14 citations84
US6868029B2Mar 15, 2005
Semiconductor device with reduced current consumption in standby state
RENESAS TECH CORP10 citations74
HITACHI LTD
5 patentsUS5021902AJun 4, 1991
Tape changer for loading and unloading a magazine of magnetic tape cartridges
HITACHI LTD74 citations95
US5644445AJul 1, 1997
Cartridge library apparatus
HITACHI LTD36 citations93
US4850485AJul 25, 1989
Cartridge magazine
HITACHI LTD35 citations93
US5442500AAug 15, 1995
Cartridge library apparatus for handling a number of cartridges in one operation
HITACHI LTD79 citations91
US5537266AJul 16, 1996
Tape loading device and magnetic conversion apparatus
HITACHI LTD8 citations73
TDK CORP
3 patentsHAMAMATSU PHOTONICS KK
2 patentsHITACHI GLOBAL STORAGE TECH
2 patentsSCHLUMBERGER TECHNOLOGY CORP
2 patentsINOUE MTP KK
1 patentMITISUBISHI DENKI KABUSHIKI KA
1 patentASHIMORI IND CO LTD
1 patentSEMICONDUCTOR TECH ACAD RES CT
1 patentISHIKAWA MASATOSHI
1 patentMISAWA HOMES CO
1 patentSUBARU CORP
1 patentMITSUBISHI ELECTRIC ENG
1 patentTJHANG THEODORUS
1 patentShowing the top 50 of 89 patents by PatentIndex Score.