Inventor · disambiguated record
Akira Yamazaki
Also filed as: YAMAZAKI AKIRA
182 granted patents·26 pending applications·3,781 citations·filing 1979–2025
99Inventor score
Files withMITSUBISHI ELECTRIC CORP55SONY CORP25RENESAS TECH CORP19YASKAWA ELECTRIC CORP13MITSUBISHI CHEM CORP12
Top patents by PatentIndex Score
208 records- 0197USD328074SHeadphoneSONY CORP·Filed 1991·Granted Jul 21, 1992·288 cites·1 claims
- 0296US5774409AMulti-bank dRAM suitable for integration with processor on common semiconductor chipMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Jun 30, 1998·120 cites·5 claims
- 0396USD337115SHeadphoneSONY CORP·Filed 1991·Granted Jul 6, 1993·104 cites·1 claims
- 0495US6418067B1Semiconductor memory device suitable for merging with logicMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 9, 2002·97 cites·28 claims
- 0595USD427177SRadio receiverSONY CORP·Filed 1998·Granted Jun 27, 2000·53 cites·1 claims
- 0695USD395300SWireless telephoneSONY CORP·Filed 1996·Granted Jun 16, 1998·58 cites·1 claims
- 0793US7619385B2Motor controller, washing machine, air conditioner and electric oil pumpHITACHI LTD·Filed 2006·Granted Nov 17, 2009·30 cites·19 claims
- 0893US6862247B2Pseudo-static synchronous semiconductor memory deviceRENESAS TECH CORP·Filed 2003·Granted Mar 1, 2005·81 cites·10 claims
- 0993US5521878AClock synchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted May 28, 1996·85 cites·28 claims
- 1091US6356484B2Semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 12, 2002·42 cites·5 claims
- 1191US6310815B1Multi-bank semiconductor memory device suitable for integration with logicMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 30, 2001·98 cites·23 claims
- 1291USD319241SHeadphoneSONY CORP·Filed 1989·Granted Aug 20, 1991·36 cites·1 claims
- 1390US11677330B2Power conversion device, power conversion system, and power conversion methodYASKAWA ELECTRIC CORP·Filed 2021·Granted Jun 13, 2023·2 cites·17 claims
- 1490US9154065B2Motor control apparatus and magnetic-pole position estimating methodYASKAWA DENKI SEISAKUSHO KK·Filed 2014·Granted Oct 6, 2015·9 cites·11 claims
- 1590US8353561B2Operating lever structure for vehicle seat, and method of manufacturing operating lever structureTOYOTA BOSHOKU KK·Filed 2009·Granted Jan 15, 2013·33 cites·1 claims
- 1690US5940342AMulti-bank DRAM suitable for integration with processor on common semiconductor chipMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 17, 1999·61 cites·11 claims
- 1790US5652723ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jul 29, 1997·51 cites·38 claims
- 1889US6768354B2Multi-power semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2001·Granted Jul 27, 2004·38 cites·24 claims
- 1989US6700434B2Substrate bias voltage generating circuitMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Mar 2, 2004·39 cites·15 claims
- 2089US5751655ASynchronous type semiconductor memory device having internal operation timings determined by count values of an internal counterMITSUBISHI ELECTRIC CORP·Filed 1997·Granted May 12, 1998·75 cites·11 claims
- 2189US5737029AImage reception controller and method with ordered display of previously viewed channelsSONY CORP·Filed 1995·Granted Apr 7, 1998·146 cites·8 claims
- 2289USD336646SHeadphoneSONY CORP·Filed 1991·Granted Jun 22, 1993·37 cites·1 claims
- 2388US9852825B2Conductive composition and solid electrolytic capacitor obtained using aforementioned compositionMITSUBISHI CHEM CORP·Filed 2013·Granted Dec 26, 2017·3 cites·12 claims
- 2488US9041325B2Control device for alternating current motorYAMAZAKI AKIRA·Filed 2012·Granted May 26, 2015·8 cites·17 claims
- 2588US8536826B2Data processing system, electronic vehicle and maintenance service systemMATSUOKA KAZUNARI·Filed 2010·Granted Sep 17, 2013·33 cites·21 claims
- 2688US6507532B1Semiconductor memory device having row-related circuit operating at high speedMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jan 14, 2003·48 cites·29 claims
- 2787US6414881B1Semiconductor device capable of generating internal voltage effectivelyMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jul 2, 2002·45 cites·20 claims
- 2887US5708622AClock synchronous semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 13, 1998·53 cites·7 claims
- 2987US5151614ACircuit having charge compensation and an operation method of the sameMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 29, 1992·46 cites·29 claims
- 3086US10469256B2Cryptographic communication system and cryptographic communication methodRENESAS ELECTRONICS CORP·Filed 2017·Granted Nov 5, 2019·4 cites·25 claims
- 3186US8678507B2Operating lever structure for vehicle seat, and method of manufacturing operating lever structureTOYOTA BOSHOKU KK·Filed 2012·Granted Mar 25, 2014·13 cites·3 claims
- 3286US7030681B2Semiconductor device with multiple power sourcesRENESAS TECH CORP·Filed 2002·Granted Apr 18, 2006·45 cites·5 claims
- 3386US6233195B1Multi-bank DRAM suitable for integration with processor on common semiconductor chipMITSUBISHI ELECTRIC CORP·Filed 1999·Granted May 15, 2001·47 cites·2 claims
- 3486US5991232AClock synchronous memory embedded semiconductor integrated circuit deviceMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Nov 23, 1999·68 cites·18 claims
- 3586US5835448AClock synchronous semiconductor memory device for determining an operation modeMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 10, 1998·48 cites·17 claims
- 3685US8652880B2Semiconductor device and method of manufacturing sameBANDO KOJI·Filed 2012·Granted Feb 18, 2014·8 cites·3 claims
- 3785US5726947ASynchronous semiconductor memory device suitable for graphic data processingMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Mar 10, 1998·58 cites·18 claims
- 3884US10415496B2Handheld engine-driven working machineYAMABIKO CORP·Filed 2016·Granted Sep 17, 2019·3 cites·3 claims
- 3984US9363399B2Image reading device and copierFUJI XEROX CO LTD·Filed 2014·Granted Jun 7, 2016·6 cites·17 claims
- 4084US6472926B2Internal voltage generation circuitMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Oct 29, 2002·49 cites·18 claims
- 4184US5956349ASemiconductor memory device for high speed data communication capable of accurate testing of pass/fail and memory system employing the sameMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 21, 1999·55 cites·14 claims
- 4284US5544121ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Aug 6, 1996·33 cites·2 claims
- 4384USD372244SSelf-standing remote control unitSONY ELECTRONICS INC·Filed 1994·Granted Jul 30, 1996·24 cites·1 claims
- 4483US9178458B2Controller of AC motorYASKAWA DENKI SEISAKUSHO KK·Filed 2013·Granted Nov 3, 2015·5 cites·13 claims
- 4583US6249476B1Semiconductor memory device suitable for mounting mixed with logic circuit, having short cycle time in reading operationMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jun 19, 2001·35 cites·14 claims
- 4683US5603009ASemiconductor 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
- 4782US9197775B2Image reading device, copier, and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Nov 24, 2015·6 cites·21 claims
- 4882US8988027B2Motor control apparatus and motor control methodYASKAWA DENKI SEISAKUSHO KK·Filed 2013·Granted Mar 24, 2015·5 cites·10 claims
- 4982US8782432B2Semiconductor deviceOSHIDA DAISUKE·Filed 2012·Granted Jul 15, 2014·6 cites·11 claims
- 5082US8258604B2Semiconductor device and method of manufacturing sameBANDO KOJI·Filed 2009·Granted Sep 4, 2012·10 cites·11 claims
Showing the top 50 of 208 patent records by PatentIndex Score.
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