Inventor · disambiguated record
Masatoshi Ishikawa
Also filed as: ISHIKAWA MASATOSHI
89 granted patents·15 pending applications·2,326 citations·filing 1983–2022
99Inventor score
Files withMITSUBISHI ELECTRIC CORP24UNIV TOKYO17RENESAS TECH CORP10HITACHI LTD6SCHLUMBERGER TECHNOLOGY CORP6
Top patents by PatentIndex Score
104 records- 0197US6480946B1Memory system for synchronized and high speed data transferMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Nov 12, 2002·181 cites·20 claims
- 0296US6438066B1Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 20, 2002·93 cites·6 claims
- 0395US6970196B1High-speed vision sensor with image processing functionHAMAMATSU PHOTONICS KK·Filed 2000·Granted Nov 29, 2005·98 cites·7 claims
- 0495US6771449B1Falling sensor and the information processing device making use of itHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Aug 3, 2004·57 cites·20 claims
- 0595US6618319B2Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a systemMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Sep 9, 2003·79 cites·4 claims
- 0695US6597617B2Semiconductor device with reduced current consumption in standby stateMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 22, 2003·83 cites·3 claims
- 0795US6191933B1Ceramic capacitorTDK CORP·Filed 1999·Granted Feb 20, 2001·124 cites·26 claims
- 0895US6125078ASynchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 26, 2000·116 cites·9 claims
- 0994US6414894B2Semiconductor device with reduced current consumption in standby stateMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jul 2, 2002·66 cites·16 claims
- 1094US6337832B1Operable synchronous semiconductor memory device switching between single data rate mode and double data rate modeMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jan 8, 2002·98 cites·24 claims
- 1194US6310759B2Ceramic capacitorTDK CORP·Filed 2000·Granted Oct 30, 2001·84 cites·19 claims
- 1294US5021902ATape changer for loading and unloading a magazine of magnetic tape cartridgesHITACHI LTD·Filed 1989·Granted Jun 4, 1991·74 cites·29 claims
- 1393US6995939B2Falling sensor and the information processing device making use of itHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 7, 2006·35 cites·3 claims
- 1493US6292015B1Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operationMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 18, 2001·84 cites·19 claims
- 1593US5799440AFloating island with water-purifying effect, plant-cultivation bag and method for purifying waterINOUE MTP KK·Filed 1995·Granted Sep 1, 1998·85 cites·14 claims
- 1692US7244919B2Semiconductor integrated circuit device having photo detector circuits, processing elements, and comparing circuits which compare the output of a photo detector element with a reference voltageSEMICONDUCTOR TECH ACAD RES CT·Filed 2005·Granted Jul 17, 2007·28 cites·7 claims
- 1791US6522599B2Operable synchronous semiconductor memory device switching between single data rate mode and double data rate modeMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Feb 18, 2003·49 cites·7 claims
- 1890US6724686B2Operable synchronous semiconductor memory device switching between single data rate mode and double data rate modeRENESAS TECH CORP·Filed 2003·Granted Apr 20, 2004·41 cites·3 claims
- 1990US6107700ASemiconductor device of hierarchical power source structureMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 22, 2000·57 cites·20 claims
- 2089US5442500ACartridge library apparatus for handling a number of cartridges in one operationHITACHI LTD·Filed 1994·Granted Aug 15, 1995·79 cites·8 claims
- 2188US6483165B2Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operationMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Nov 19, 2002·38 cites·11 claims
- 2288US6384674B2Semiconductor device having hierarchical power supply line structure improved in operating speedMITSUBISHI ELECTRIC CORP·Filed 1999·Granted May 7, 2002·73 cites·18 claims
- 2388US4850485ACartridge magazineHITACHI LTD·Filed 1988·Granted Jul 25, 1989·35 cites·16 claims
- 2487US9670775B2Methods and systems for downhole fluid analysisSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jun 6, 2017·11 cites·15 claims
- 2587US6411560B1Semiconductor memory device capable of reducing leakage current flowing into substrateMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jun 25, 2002·48 cites·19 claims
- 2686US6314048B1Semiconductor memory device for fast accessMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Nov 6, 2001·43 cites·14 claims
- 2785US8540602B2Drive device for hybrid vehicleISHIKAWA MASATOSHI·Filed 2011·Granted Sep 24, 2013·12 cites·6 claims
- 2884US8445090B2Fixing beltNAKAJIMA SHINGO·Filed 2011·Granted May 21, 2013·4 cites·8 claims
- 2984US5644445ACartridge library apparatusHITACHI LTD·Filed 1994·Granted Jul 1, 1997·36 cites·11 claims
- 3082US10144406B2Power transmission apparatusSUBARU CORP·Filed 2017·Granted Dec 4, 2018·2 cites·11 claims
- 3180US6031781ASemiconductor memory device allowing high-speed activation of internal circuitMITISUBISHI DENKI KABUSHIKI KA·Filed 1999·Granted Feb 29, 2000·46 cites·5 claims
- 3278US6757191B2Thin film magnetic memory device sharing an access element by a plurality of memory cellsRENESAS TECH CORP·Filed 2002·Granted Jun 29, 2004·25 cites·20 claims
- 3376US8916816B2Imaging systems and image fiber bundles for downhole measurementSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Dec 23, 2014·5 cites·6 claims
- 3476US6822897B2Thin film magnetic memory device selecting access to a memory cell by a transistor of a small gate capacitanceRENESAS TECH CORP·Filed 2002·Granted Nov 23, 2004·23 cites·12 claims
- 3574US9584711B2Imaging methods and systems for controlling equipment in remote environmentsTJHANG THEODORUS·Filed 2012·Granted Feb 28, 2017·3 cites·19 claims
- 3674US6796334B2Duct repairing material, repairing structure, and repairing methodASHIMORI IND CO LTD·Filed 2001·Granted Sep 28, 2004·26 cites·31 claims
- 3773US6794904B2Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operationRENESAS TECH CORP·Filed 2002·Granted Sep 21, 2004·15 cites·13 claims
- 3871US7532244B2High-speed vision sensorHAMAMATSU PHOTONICS KK·Filed 2005·Granted May 12, 2009·5 cites·12 claims
- 3971US6584005B1Semiconductor memory device preventing erroneous writing in write operation and delay in read operationMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jun 24, 2003·18 cites·15 claims
- 4069US6523235B1Method of manufacturing a ceramic capacitorTDK CORP·Filed 2000·Granted Feb 25, 2003·11 cites·2 claims
- 4168US7098437B2Semiconductor integrated circuit device having a plurality of photo detectors and processing elementsSEMICONDUCTOR TECH ACAD RES CT·Filed 2002·Granted Aug 29, 2006·8 cites·5 claims
- 4267US9874082B2Downhole imaging systems and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jan 23, 2018·3 cites·19 claims
- 4367US6903965B2Thin film magnetic memory device permitting high precision data readRENESAS TECH CORP·Filed 2002·Granted Jun 7, 2005·15 cites·13 claims
- 4466US6781873B2Non-volatile memory device capable of generating accurate reference current for determinationRENESAS TECH CORP·Filed 2003·Granted Aug 24, 2004·14 cites·12 claims
- 4566US6608296B1High-speed vision sensor having a parallel processing systemHAMAMATSU PHOTONICS KK·Filed 1999·Granted Aug 19, 2003·32 cites·11 claims
- 4665US6868029B2Semiconductor device with reduced current consumption in standby stateRENESAS TECH CORP·Filed 2003·Granted Mar 15, 2005·10 cites·5 claims
- 4764US6788571B2Thin film magnetic memory device having an access element shared by a plurality of memory cellsRENESAS TECH CORP·Filed 2002·Granted Sep 7, 2004·13 cites·11 claims
- 4863US6373775B2Semiconductor memory device with restrained scale of decoding circuit used in shift redundancyMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 16, 2002·13 cites·11 claims
- 4961US6466509B1Semiconductor memory device having a column select line transmitting a column select signalMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Oct 15, 2002·12 cites·10 claims
- 5061US6288573B1Semiconductor device capable of operating fast with a low voltage and reducing power consumption during standbyMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 11, 2001·21 cites·15 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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