Inventor · disambiguated record
Michio Nagai
Also filed as: NAGAI MICHIO
105 granted patents·18 pending applications·2,536 citations·filing 1986–2021
99Inventor score
Top patents by PatentIndex Score
123 records- 0196USD459329SPortable wireless telephoneNEC CORP·Filed 2001·Granted Jun 25, 2002·81 cites·1 claims
- 0296USD320991SCradle for a portable telephone setNEC CORP·Filed 1990·Granted Oct 22, 1991·65 cites·1 claims
- 0395USD463791SWireless headphoneNEC CORP·Filed 2001·Granted Oct 1, 2002·106 cites·1 claims
- 0495US5023710AHighly efficient coding apparatusSONY CORP·Filed 1990·Granted Jun 11, 1991·202 cites·7 claims
- 0593US6769603B2Data recording and reproducing apparatus and data reproducing apparatusOLYMPUS CORP·Filed 2002·Granted Aug 3, 2004·155 cites·30 claims
- 0693USD377341SPortable communication terminalNEC CORP·Filed 1996·Granted Jan 14, 1997·51 cites·1 claims
- 0793US5122912ASignal processing apparatus selecting a scrambled signal having a desired dc component from among a plurality of scrambled signal obtained by scrambling an input-data signal with respective pseudo-random signalsSONY CORP·Filed 1989·Granted Jun 16, 1992·50 cites·8 claims
- 0892US10310260B2Member for displaying projected image and projection systemFUJIFILM CORP·Filed 2017·Granted Jun 4, 2019·6 cites·7 claims
- 0992USD459330SPortable wireless telephoneNEC CORP·Filed 2001·Granted Jun 25, 2002·48 cites·1 claims
- 1092US5681176AHinge connector suitable for use in a hinge portion included in an electronic deviceNEC CORP·Filed 1995·Granted Oct 28, 1997·89 cites·11 claims
- 1191USD459326SPortable wireless telephoneNEC CORP·Filed 2001·Granted Jun 25, 2002·45 cites·1 claims
- 1291US5321440AHigh efficiency data compressed image encodingSONY CORP·Filed 1992·Granted Jun 14, 1994·107 cites·23 claims
- 1390US7499737B2Foldable portable information terminalNEC CORP·Filed 2002·Granted Mar 3, 2009·54 cites·35 claims
- 1489US7872716B2Optical compensation film, polarizing plate and liquid crystal displayFUJIFILM CORP·Filed 2006·Granted Jan 18, 2011·12 cites·5 claims
- 1589US7431972B2Optical film, and polarizing plate and liquid crystal display device using the sameFUJIFILM CORP·Filed 2006·Granted Oct 7, 2008·12 cites·10 claims
- 1689US7376449B2Slide-type portable communication apparatusNEC CORP·Filed 2002·Granted May 20, 2008·58 cites·32 claims
- 1789USD467954SCamera for a portable wireless telephoneNEC CORP·Filed 2001·Granted Dec 31, 2002·38 cites·1 claims
- 1888USD465467SPortable wireless telephoneNEC CORP·Filed 2001·Granted Nov 12, 2002·37 cites·1 claims
- 1987USD464632SPortable wireless telephoneNEC CORP·Filed 2001·Granted Oct 22, 2002·35 cites·1 claims
- 2087US5923751AOpening and closing device for a portable telephoneKATO ELECTRIC & MACHINARY CO·Filed 1995·Granted Jul 13, 1999·137 cites·6 claims
- 2186USD382871SMobile telephoneNEC CORP·Filed 1996·Granted Aug 26, 1997·30 cites·1 claims
- 2285USD458913SPortable wireless telephoneNEC CORP·Filed 2001·Granted Jun 18, 2002·30 cites·1 claims
- 2385US5995373AElectronic apparatus having a hinge structureNEC CORP·Filed 1995·Granted Nov 30, 1999·118 cites·21 claims
- 2485US5706332AApparatus for unfolding and activating a portable telephoneNEC CORP·Filed 1995·Granted Jan 6, 1998·80 cites·16 claims
- 2584USD478070SGPS unit for a portable wireless telephoneNEC CORP·Filed 2001·Granted Aug 5, 2003·32 cites·1 claims
- 2684USD476635SPortable wireless telephoneNEC CORP·Filed 2002·Granted Jul 1, 2003·31 cites·1 claims
- 2783US5657370ACellular portable radiotelephoneNEC CORP·Filed 1995·Granted Aug 12, 1997·129 cites·20 claims
- 2882USD382545SPortable communication terminalNEC CORP·Filed 1996·Granted Aug 19, 1997·26 cites·1 claims
- 2981US10459132B2Optical member, method of manufacturing optical member, and image display deviceFUJIFILM CORP·Filed 2017·Granted Oct 29, 2019·3 cites·18 claims
- 3081US7860540B2Slide-type portable communication apparatusNEC CORP·Filed 2008·Granted Dec 28, 2010·7 cites·5 claims
- 3180USD458240SPortable wireless telephoneNEC CORP·Filed 2001·Granted Jun 4, 2002·29 cites·1 claims
- 3280US6164844APower transmission apparatusOLYMPUS OPTICAL CO·Filed 1998·Granted Dec 26, 2000·11 cites·18 claims
- 3379US10481311B2Transparent film, transparent screen, image display system, and transparent posterFUJIFILM CORP·Filed 2018·Granted Nov 19, 2019·2 cites·8 claims
- 3479US8253648B2Portable terminalNAGAI MICHIO·Filed 2006·Granted Aug 28, 2012·9 cites·9 claims
- 3579USD464653SOperation machine for a portable wireless terminal equipmentNEC CORP·Filed 2001·Granted Oct 22, 2002·24 cites·1 claims
- 3678US7440003B2Folding portable information terminal with fold-position-based recording controlNEC CORP·Filed 2003·Granted Oct 21, 2008·27 cites·6 claims
- 3777US10795254B2Transparent screenFUJIFILM CORP·Filed 2018·Granted Oct 6, 2020·1 cites·8 claims
- 3877US7944530B2Optical film, polarizing plate and liquid crystal display device including an optically anisotropic layer formed from a mixture including two or more liquid crystal compoundsFUJIFILM CORP·Filed 2006·Granted May 17, 2011·5 cites·3 claims
- 3977US7763181B2Optical compensation film, method of producing the same, and polarizing plate and liquid crystal display device using the sameFUJIFILM CORP·Filed 2006·Granted Jul 27, 2010·5 cites·9 claims
- 4076US9383491B2Retardation film, polarizing plate, and liquid crystal displayFUJIFILM CORP·Filed 2014·Granted Jul 5, 2016·4 cites·19 claims
- 4176US7617107B2Information processing device and information processing programOLYMPUS CORP·Filed 2003·Granted Nov 10, 2009·11 cites·8 claims
- 4276US5668867AFoldable portable telephone with improved antenna gainNEC CORP·Filed 1996·Granted Sep 16, 1997·69 cites·5 claims
- 4375US5962841ADetecting mechanism having selectable sensitivity levels for detecting at least three levels of transmissivityOLYMPUS OPTICAL CO·Filed 1996·Granted Oct 5, 1999·8 cites·19 claims
- 4473US7929087B2Optical film, polarizing plate, and liquid crystal display deviceFUJIFILM CORP·Filed 2009·Granted Apr 19, 2011·3 cites·8 claims
- 4573US5689824AFolding portable wireless apparatus capable of automatically opening upper and lower casesNEC CORP·Filed 1995·Granted Nov 18, 1997·63 cites·1 claims
- 4671US7187958B2Folding mobile communications apparatusNEC CORP·Filed 2004·Granted Mar 6, 2007·19 cites·3 claims
- 4771US5832082APortable telephone set holderNEC CORP·Filed 1997·Granted Nov 3, 1998·36 cites·10 claims
- 4870US10295897B2Transparent screenFUJIFILM CORP·Filed 2017·Granted May 21, 2019·1 cites·20 claims
- 4970US8082633B2Foldable portable information terminalMIZUTA MASATOMO·Filed 2010·Granted Dec 27, 2011·2 cites·10 claims
- 5069US10222525B2Optical member and image display device including optical memberFUJIFILM CORP·Filed 2017·Granted Mar 5, 2019·1 cites·20 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
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