Inventor · disambiguated record
Atsushi Nakagawa
Also filed as: NAKAGAWA ATSUSHI
103 granted patents·15 pending applications·1,400 citations·filing 1978–2025
99Inventor score
Top patents by PatentIndex Score
118 records- 0198US7330006B2Power toolHITACHI KOKI KK·Filed 2006·Granted Feb 12, 2008·56 cites·11 claims
- 0296US6603815B2Video data processing apparatus, video data encoding apparatus, and methods thereofSONY CORP·Filed 2002·Granted Aug 5, 2003·89 cites·19 claims
- 0395US8342517B2Image forming apparatusCANON KK·Filed 2010·Granted Jan 1, 2013·17 cites·9 claims
- 0494US6922371B2Semiconductor storage deviceNEC ELECTRONICS CORP·Filed 2002·Granted Jul 26, 2005·77 cites·12 claims
- 0594US6495932B1DC power source unitHITACHI KOKI KK·Filed 2000·Granted Dec 17, 2002·72 cites·7 claims
- 0693US7677558B2Sheet conveying device and image forming apparatusCANON KK·Filed 2008·Granted Mar 16, 2010·15 cites·3 claims
- 0792US7301830B2Semiconductor memory device and semiconductor device and semiconductor memory device control methodNEC ELECTRONICS CORP·Filed 2004·Granted Nov 27, 2007·52 cites·47 claims
- 0892US6804474B2Image forming apparatusCANON KK·Filed 2002·Granted Oct 12, 2004·42 cites·29 claims
- 0991US6282133B1Semiconductor memory device having a delay circuit for generating a read timingNEC CORP·Filed 2000·Granted Aug 28, 2001·62 cites·16 claims
- 1087US6172860B1DC power source unit alarming before electrically powered tool is overheated and stopping power supply thereafterHITACHI KOKI KK·Filed 1998·Granted Jan 9, 2001·66 cites·12 claims
- 1186US6615697B2Machine toolMURATA MACHINERY LTD·Filed 2001·Granted Sep 9, 2003·22 cites·4 claims
- 1285US7663945B2Semiconductor memory with a delay circuitNEC ELECTRONICS CORP·Filed 2007·Granted Feb 16, 2010·10 cites·4 claims
- 1384US8691394B2Heat shrinkable multilayer film and heat shrinkable labelMARUICHI NAOYUKI·Filed 2007·Granted Apr 8, 2014·8 cites·5 claims
- 1483US9528848B2Method of displaying point on navigation mapALPINE ELECTRONICS INC·Filed 2015·Granted Dec 27, 2016·4 cites·20 claims
- 1583US7759899B2Battery pack, and assembly of battery pack and motor-driven tool or chargerHITACHI KOKI KK·Filed 2007·Granted Jul 20, 2010·5 cites·17 claims
- 1683US7466609B2Semiconductor memory device and semiconductor memory device control methodNEC ELECTRONICS CORP·Filed 2007·Granted Dec 16, 2008·11 cites·2 claims
- 1782USD330152SPortable electric screw driverHITACHI KOKI KK·Filed 1990·Granted Oct 13, 1992·23 cites·1 claims
- 1881US7694962B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2007·Granted Apr 13, 2010·9 cites·7 claims
- 1980US10437139B2Projector apparatus, projection method, and storage mediumCASIO COMPUTER CO LTD·Filed 2018·Granted Oct 8, 2019·2 cites·20 claims
- 2080US10304171B2Projection control device, projection control method, and non-transitory storage mediumCASIO COMPUTER CO LTD·Filed 2017·Granted May 28, 2019·2 cites·11 claims
- 2180US8631727B2Machine toolNAKAGAWA ATSUSHI·Filed 2012·Granted Jan 21, 2014·4 cites·11 claims
- 2280US6944081B2Semiconductor storage and its refreshing methodNEC ELECTRONICS CORP·Filed 2001·Granted Sep 13, 2005·31 cites·26 claims
- 2380US6704523B2Sheet detecting apparatus and image forming apparatus equipped with sheet detecting apparatusCANON KK·Filed 2002·Granted Mar 9, 2004·16 cites·20 claims
- 2478US7852704B2Semiconductor storage deviceNEC ELECTRONICS CORP·Filed 2008·Granted Dec 14, 2010·10 cites·12 claims
- 2578US7586511B2Frequency modulation apparatus and frequency modulation methodCANON KK·Filed 2006·Granted Sep 8, 2009·10 cites·8 claims
- 2678US7227792B2Internal voltage level control circuit and semiconductor memory device as well as method of controlling the sameNEC ELECTRONICS CORP·Filed 2005·Granted Jun 5, 2007·8 cites·26 claims
- 2778US7129967B2Frequency modulation apparatus and frequency modulation methodCANON KK·Filed 2004·Granted Oct 31, 2006·14 cites·5 claims
- 2878US6345334B1High speed semiconductor memory device capable of changing data sequence for burst transmissionNEC CORP·Filed 1999·Granted Feb 5, 2002·82 cites·3 claims
- 2978US5974918AScrew driving deviceHITACHI KOKI KK·Filed 1997·Granted Nov 2, 1999·37 cites·5 claims
- 3077US9570256B2Gas circuit breakerTOSHIBA KK·Filed 2014·Granted Feb 14, 2017·5 cites·12 claims
- 3177US7796928B2Image forming apparatusCANON KK·Filed 2007·Granted Sep 14, 2010·5 cites·4 claims
- 3277US5953972APunch press drive deviceMURATA MACHINERY LTD·Filed 1997·Granted Sep 21, 1999·20 cites·2 claims
- 3376US6876592B2Semiconductor memory deviceNEC ELECTRONICS CORP·Filed 2001·Granted Apr 5, 2005·22 cites·23 claims
- 3475US7638202B2Stretched polyamide filmsMITSUBISHI GAS CHEMICAL CO·Filed 2006·Granted Dec 29, 2009·3 cites·18 claims
- 3574US6344658B1Gunn diode, NRD guide gunn oscillator, fabricating method of gunn diode and structure for assembly of the sameNEW JAPAN RADIO CO LTD·Filed 1999·Granted Feb 5, 2002·31 cites·8 claims
- 3674US5138916APower operated screwdriverHITACHI KOKI KK·Filed 1991·Granted Aug 18, 1992·31 cites·2 claims
- 3773US7145830B2Semiconductor memory deviceNEC ELECTRONICS CORP·Filed 2005·Granted Dec 5, 2006·7 cites·8 claims
- 3872US7375447B2Power toolHITACHI KOKI KK·Filed 2005·Granted May 20, 2008·8 cites·15 claims
- 3972US7224734B2Video data encoding apparatus and method for removing a continuous repeat field from the video dataSONY CORP·Filed 2003·Granted May 29, 2007·9 cites·20 claims
- 4071US9658610B2Displacement and position measurement in machine toolMURATA MACHINERY LTD·Filed 2014·Granted May 23, 2017·3 cites·7 claims
- 4170US6856566B2Timer circuit and semiconductor memory incorporating the timer circuitNEC ELECTRONICS CORP·Filed 2001·Granted Feb 15, 2005·17 cites·27 claims
- 4270US5371389AHeterojunction bipolar transistor with base layer having graded bandgapMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 6, 1994·26 cites·1 claims
- 4369US8049911B2Image forming apparatus including image abnormality detection, method of controlling the same, and program for implementing the methodCANON KK·Filed 2005·Granted Nov 1, 2011·4 cites·10 claims
- 4469US6834020B2Semiconductor storage deviceNEC ELECTRONICS CORP·Filed 2001·Granted Dec 21, 2004·14 cites·18 claims
- 4568US6316233B2Process for preparing (S)-3-halogeno-1,2-propanediol by microorganismDAISO CO LTD·Filed 2000·Granted Nov 13, 2001·2 cites·4 claims
- 4668US4226816AMethod of manufacturing a clutch facing of the type used for automotive automatic transmissionsAISIN CHEM·Filed 1978·Granted Oct 7, 1980·18 cites·36 claims
- 4767US8885188B2Communication system for transmitting multiple pulse signals, transmission circuit, reception circuit, and image forming apparatusNAKAGAWA ATSUSHI·Filed 2012·Granted Nov 11, 2014·2 cites·4 claims
- 4867US5345097AHeterojunction bipolar transistor including collector region of InP and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 6, 1994·26 cites·5 claims
- 4966US8999466B2Multilayer stretched polyamide filmUEHARA NORIO·Filed 2009·Granted Apr 7, 2015·1 cites·12 claims
- 5066US6514832B1Gunn diode, NRD guide Gunn oscillator, fabricating method of Gunn diode and structure for assembly of the sameNEW JAPAN RADIO CO LTD·Filed 2000·Granted Feb 4, 2003·9 cites·4 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →