Inventor · disambiguated record
Tsutomu Imai
Also filed as: IMAI TSUTOMU
44 granted patents·8 pending applications·965 citations·filing 1980–2023
98Inventor score
Top patents by PatentIndex Score
52 records- 0196US4739444ADevice for adjusting pressure loss of cooling air for an assembly of cards carrying electronic componentsHITACHI LTD·Filed 1986·Granted Apr 19, 1988·112 cites·3 claims
- 0295US5743009AMethod of making multi-pin connectorHITACHI LTD·Filed 1996·Granted Apr 28, 1998·107 cites·22 claims
- 0394US5565706ALSI package boardHITACHI LTD·Filed 1995·Granted Oct 15, 1996·190 cites·24 claims
- 0493US6408332B1Recording and reproducing apparatus and terminal apparatusSONY CORP·Filed 1999·Granted Jun 18, 2002·69 cites·49 claims
- 0590USRE41977ERecording and reproducing apparatus and terminal apparatusSONY CORP·Filed 2009·Granted Nov 30, 2010·9 cites·50 claims
- 0684US6261708B1Joined body of aluminum nitride series ceramics, method of joining aluminum nitride series ceramics and joining agentNGK INSULATORS LTD·Filed 1998·Granted Jul 17, 2001·45 cites·17 claims
- 0781US6326561B1Thin-film multilayer wiring board with wiring and via holes in a thickness of an insulating layerHITACHI LTD·Filed 1996·Granted Dec 4, 2001·39 cites·39 claims
- 0881US5726863AMultilayer printed circuit boardHITACHI LTD·Filed 1996·Granted Mar 10, 1998·52 cites·15 claims
- 0979US6704777B2Recording and reproducing apparatus and terminal apparatusSONY CORP·Filed 2001·Granted Mar 9, 2004·9 cites·33 claims
- 1079US5926375ASurface mounting structureHITACHI LTD·Filed 1996·Granted Jul 20, 1999·47 cites·9 claims
- 1178US10122243B2Rotating electric machine with a cooling structureTOYOTA JIDOSHOKKI KK·Filed 2015·Granted Nov 6, 2018·3 cites·2 claims
- 1278US7342234B2Radiological imaging apparatus and cooling method of sameHITACHI LTD·Filed 2006·Granted Mar 11, 2008·9 cites·26 claims
- 1377US10793018B2Server, vehicle, and method for providing charging informationTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 6, 2020·2 cites·10 claims
- 1476US7340153B2Apparatus and method for recording and reproducing informationHITACHI LTD·Filed 2001·Granted Mar 4, 2008·9 cites·4 claims
- 1572US5923539AMultilayer circuit substrate with circuit repairing function, and electronic circuit deviceHITACHI LTD·Filed 1995·Granted Jul 13, 1999·43 cites·10 claims
- 1672US4329547ADual section electret microphoneSONY CORP·Filed 1980·Granted May 11, 1982·39 cites·7 claims
- 1769US6190493B1Thin-film multilayer wiring board and production thereofHITACHI LTD·Filed 1997·Granted Feb 20, 2001·31 cites·16 claims
- 1869US5257452AMethods of recovering a multi-layer printed circuit boardHITACHI LTD·Filed 1992·Granted Nov 2, 1993·31 cites·8 claims
- 1967US9543672B2Terminal block deviceTOYOTA JIDOSHOKKI KK·Filed 2016·Granted Jan 10, 2017·2 cites·8 claims
- 2064US7138670B2Semiconductor device for use in a solid state imaging deviceSANYO ELECTRIC CO·Filed 2005·Granted Nov 21, 2006·3 cites·5 claims
- 2163USRE42810ERecording and reproducing apparatus and terminal apparatusSONY CORP·Filed 2008·Granted Oct 4, 2011·0 cites·57 claims
- 2261US2025223384A1Method for manufacturing propylene polymer materialSUMITOMO CHEMICAL CO·Filed 2023·Application pending·0 cites
- 2359US2007086749A1Apparatus and method for recording and reproducing informationHITACHI LTD·Filed 2006·Application pending·0 cites
- 2457US6636470B1Disc loading mechanism of disc apparatusKENWOOD CORP·Filed 1998·Granted Oct 21, 2003·13 cites·8 claims
- 2557US6426935B1Supporting structure of floating chassis of disc apparatusKENWOOD CORP·Filed 1998·Granted Jul 30, 2002·11 cites·12 claims
- 2657US6213786B1Electronic device and multi-pin connector thereforHITACHI LTD·Filed 2000·Granted Apr 10, 2001·5 cites·12 claims
- 2756US6614747B2Supporting structure with locking mechanism of floating chassis of disc apparatusKENWOOD CORP·Filed 2002·Granted Sep 2, 2003·7 cites·4 claims
- 2855USRE43917ERecording and reproducing apparatus and terminal apparatusSONY CORP·Filed 2011·Granted Jan 8, 2013·0 cites·46 claims
- 2953US7462567B2Method for manufacturing integrated circuitSANYO ELECTRIC CO·Filed 2007·Granted Dec 9, 2008·0 cites·8 claims
- 3053US5303664AThread cutter with through hole and cutout for sewing machineJUKI KK·Filed 1992·Granted Apr 19, 1994·7 cites·3 claims
- 3152US2004215909A1Nonvolatile memory device and data processing systemRENESAS TECH CORP·Filed 2004·Application pending·0 cites
- 3251US2008091900A1Nonvolatile memory device and data processing systemIMAI TSUTOMU·Filed 2007·Application pending·0 cites
- 3349US12289886B2Multi-tier memory device with rounded joint structures and methods of making the sameSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Apr 29, 2025·0 cites·18 claims
- 3448US6654711B1Correction factors for the analysis of piezoelectric devicesSEIKO EPSON CORP·Filed 1999·Granted Nov 25, 2003·9 cites·25 claims
- 3548US2010011226A1Data management method, data management system, and data storage systemINAGAKI YUKIHIDE·Filed 2009·Application pending·0 cites
- 3647US6995915B2Manufacturing method of micro-lens, manufacturing method of solid-state image pickup device and solid-state image pickup deviceSANYO ELECTRIC CO·Filed 2004·Granted Feb 7, 2006·2 cites·8 claims
- 3745US11358483B2Server, vehicle, and charger information methodTOYOTA MOTOR CO LTD·Filed 2019·Granted Jun 14, 2022·0 cites·9 claims
- 3845US7459327B2Method for manufacturing micro lenses including underlayer film and lens film etching stepsSANYO ELECTRIC CO·Filed 2004·Granted Dec 2, 2008·3 cites·3 claims
- 3945US2024289472A1Unauthorized access detection system and unauthorized access detection methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 4044USRE41112ERecording and reproducing apparatus and terminal apparatusSONY CORP·Filed 2004·Granted Feb 9, 2010·0 cites·41 claims
- 4144US6574598B1Transmitter and receiver, apparatus and method, all for delivery of informationSONY CORP·Filed 1999·Granted Jun 3, 2003·20 cites·37 claims
- 4243US12324150B2Method of making a multi-tier memory device with rounded joint structuresSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Jun 3, 2025·0 cites·6 claims
- 4343USD786197STerminal blockTOYOTA JIDOSHOKKI KK·Filed 2015·Granted May 9, 2017·3 cites·1 claims
- 4443US7340751B2Disc player mounted on vehicleKENWOOD CORP·Filed 2004·Granted Mar 4, 2008·0 cites·3 claims
- 4543US6438095B1Disc clamp mechanism for disc apparatusKENWOOD CORP·Filed 1998·Granted Aug 20, 2002·6 cites·20 claims
- 4643US2002018644A1Apparatus and method for recording and reproducing informationFiled 2001·Application pending·0 cites
- 4742US6658376B1Determination of vibration frequency characteristics of electroded crystal plateSEIKO EPSON CORP·Filed 1999·Granted Dec 2, 2003·6 cites·28 claims
- 4842US4899251APower supply network of printed circuit boardHITACHI LTD·Filed 1988·Granted Feb 6, 1990·9 cites·20 claims
- 4941US6230113B1Stiffness effects in piezoelectric devicesSEIKO EPSON CORP·Filed 1998·Granted May 8, 2001·7 cites·19 claims
- 5037US6132221AMulti-pin connectorHITACHI LTD·Filed 1998·Granted Oct 17, 2000·4 cites·11 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tsutomu Imai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →