Inventor · disambiguated record
Hisashi Iwamoto
Also filed as: IWAMOTO HISASHI
55 granted patents·1 pending application·3,151 citations·filing 1990–2013
99Inventor score
Files withMITSUBISHI ELECTRIC CORP46RENESAS TECH CORP4IWAMOTO HISASHI2SONY CORP2MITSUBISHI ELECTRIC ENG1
Top patents by PatentIndex Score
56 records- 0199US5384745ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jan 24, 1995·430 cites·22 claims
- 0298US6489823B2Semiconductor device capable of generating highly precise internal clockMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 3, 2002·103 cites·10 claims
- 0398US5404338ASynchronous type semiconductor memory device operating in synchronization with an external clock signalMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Apr 4, 1995·242 cites·71 claims
- 0497US8625360B2Semiconductor storage device operative to search for dataIWAMOTO HISASHI·Filed 2011·Granted Jan 7, 2014·86 cites·2 claims
- 0596US5517462ASynchronous type semiconductor memory device operating in synchronization with an external clock signalMITSUBISHI ELECTRIC CORP·Filed 1995·Granted May 14, 1996·81 cites·11 claims
- 0695US5815462ASynchronous semiconductor memory device and synchronous memory moduleMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 29, 1998·157 cites·20 claims
- 0795US5708611ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Jan 13, 1998·126 cites·5 claims
- 0894US6338113B1Memory module system having multiple memory modulesMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jan 8, 2002·263 cites·8 claims
- 0994US5594704ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jan 14, 1997·117 cites·5 claims
- 1093US6292040B1Internal clock signal generating circuit having function of generating internal clock signals which are multiplication of an external clock signalMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 18, 2001·90 cites·11 claims
- 1193US5867446ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Feb 2, 1999·85 cites·16 claims
- 1292US5796669ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 18, 1998·103 cites·13 claims
- 1392US5731727AVoltage control type delay circuit and internal clock generation circuit using the sameMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Mar 24, 1998·91 cites·16 claims
- 1491US6356484B2Semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 12, 2002·42 cites·5 claims
- 1591US5892730ASynchronous semiconductor memory device operable in a plurality of data write operation modesMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Apr 6, 1999·87 cites·6 claims
- 1690US5764590ASynchronous semiconductor memory device which allows switching of bit configurationMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 9, 1998·87 cites·8 claims
- 1790US5652723ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jul 29, 1997·51 cites·38 claims
- 1890US5629897ASynchronous semiconductor memory device having a mode requiring an internal clock signal and a mode not requiring the internal clock signalMITSUBISHI ELECTRIC CORP·Filed 1995·Granted May 13, 1997·76 cites·5 claims
- 1985US6052329AOutput circuit and synchronous semiconductor memory device having a function of preventing output of invalid dataMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Apr 18, 2000·66 cites·8 claims
- 2085US5946268AInternal clock signal generation circuit including delay line, and synchronous type semiconductor memory device including internal clock signalMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 31, 1999·61 cites·14 claims
- 2184US6163491ASynchronous semiconductor memory device which can be inspected even with low speed testerMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 19, 2000·55 cites·11 claims
- 2284US5544121ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Aug 6, 1996·33 cites·2 claims
- 2383US5603009ASemiconductor memory device including a data transfer circuit for transferring data between a DRAM and an SRAMMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Feb 11, 1997·40 cites·8 claims
- 2482US6333873B1Semiconductor memory device with an internal voltage generating circuitMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Dec 25, 2001·49 cites·47 claims
- 2581US6720807B1Semiconductor device with clock generation circuitRENESAS TECH CORP·Filed 2003·Granted Apr 13, 2004·22 cites·4 claims
- 2681US6170036B1Semiconductor memory device and data transfer circuit for transferring data between a DRAM and a SRAMMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 2, 2001·37 cites·30 claims
- 2781US5881017ASynchronous semiconductor memory device allowing fast operation in either of prefetch operation and full page mode operationMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 9, 1999·49 cites·9 claims
- 2881US5559750ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Sep 24, 1996·28 cites·2 claims
- 2978US6452849B1Semiconductor device with test mode for performing efficient calibration of measuring apparatusMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 17, 2002·25 cites·11 claims
- 3078US6434661B1Synchronous semiconductor memory including register for storing data input and output mode informationMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 13, 2002·19 cites·12 claims
- 3173US5592434ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jan 7, 1997·34 cites·19 claims
- 3271US6151273ASynchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Nov 21, 2000·30 cites·12 claims
- 3370US6741507B2Semiconductor device outputting data at a timing with reduced jitterRENESAS TECH CORP·Filed 2002·Granted May 25, 2004·17 cites·6 claims
- 3470US5805603ASynchronous semiconductor memory device realizing high speed and accurate operationMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 8, 1998·30 cites·5 claims
- 3569US6026029ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Feb 15, 2000·15 cites·8 claims
- 3669US5650968ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jul 22, 1997·15 cites·4 claims
- 3767US5270977ADynamic random access memory device capable of performing test mode operation and method of operating such memory deviceMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 14, 1993·22 cites·12 claims
- 3866US9135966B2Semiconductor device including memory capable of reducing power consumptionIWAMOTO HISASHI·Filed 2012·Granted Sep 15, 2015·3 cites·8 claims
- 3964US5583813ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 10, 1996·12 cites·2 claims
- 4062US6763079B1Semiconductor device allowing easy confirmation of operation of built in clock generation circuitRENESAS TECH CORP·Filed 1999·Granted Jul 13, 2004·21 cites·22 claims
- 4160US5844859ASynchronous semiconductor memory device reliably fetching external signal in synchronization with clock signal periodically supplied from the exteriorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Dec 1, 1998·19 cites·15 claims
- 4258US5623454ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 22, 1997·9 cites·10 claims
- 4357US6184738B1Input buffer for supplying semiconductor device with internal signal based on comparison of external signal with reference potentialMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Feb 6, 2001·15 cites·13 claims
- 4457US5940344ASynchronous semiconductor memory device including internal clock signal generation circuit that generates an internal clock signal synchronizing in phase with external clock signal at high precisionMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 17, 1999·17 cites·14 claims
- 4555US5848004ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Dec 8, 1998·8 cites·5 claims
- 4654US5940328ASynchronous semiconductor device with memory chips in a module for controlling output of strobe signal for trigger in reading dataMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 17, 1999·15 cites·13 claims
- 4753US5530379AOutput buffer circuit that can be shared by a plurality of interfaces and a semiconductor device using the sameMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jun 25, 1996·14 cites·24 claims
- 4852US5629895ASemiconductor memory deviceMITSUBISHI ELECTRIC ENG·Filed 1996·Granted May 13, 1997·7 cites·4 claims
- 4949US5946266ASynchronous semiconductor memory device capable of reducing delay time at data input/output line upon data inputMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 31, 1999·12 cites·21 claims
- 5049US5019953AHigh voltage generator for television receiverSONY CORP·Filed 1990·Granted May 28, 1991·12 cites·5 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →