Inventor · disambiguated record
Masahiko Tanaka
Also filed as: MIYAHARA SHUNJI · TANAKA MASAHIKO
67 granted patents·20 pending applications·1,846 citations·filing 1991–2021
99Inventor score
Files withNEC CORP13TOSHIBA KK12MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10KONICA MINOLTA INC9OTSUKA PHARMA CO LTD5
Top patents by PatentIndex Score
87 records- 0199US5234526AWindow for microwave plasma processing deviceLAM RES CORP·Filed 1991·Granted Aug 10, 1993·449 cites·37 claims
- 0294US6830193B2Non-contact IC cardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 14, 2004·111 cites·14 claims
- 0391US5513164AOptical recording and reproducing apparatusTOSHIBA KK·Filed 1995·Granted Apr 30, 1996·61 cites·30 claims
- 0490US6154433ALight beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical headTOSHIBA KK·Filed 1997·Granted Nov 28, 2000·62 cites·19 claims
- 0590US5615200ALight beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical headTOSHIBA KK·Filed 1995·Granted Mar 25, 1997·67 cites·27 claims
- 0687US6593548B2Heating element CVD systemJAPAN GOVERNMENT·Filed 2001·Granted Jul 15, 2003·36 cites·19 claims
- 0786US6122486ATransmission restricting device radio communication terminal equipment and transmission restricting system using theseNEC CORP·Filed 1998·Granted Sep 19, 2000·125 cites·12 claims
- 0885US7267724B2Thin-film disposition apparatusANELVA CORP·Filed 2001·Granted Sep 11, 2007·37 cites·24 claims
- 0985US5475210ANoise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser deviceTOSHIBA KK·Filed 1993·Granted Dec 12, 1995·39 cites·32 claims
- 1084US7164344B2Non-contact IC card reading/writing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 16, 2007·45 cites·4 claims
- 1183US6219532B1Movable radio terminal device capable of precisely matching impedancesNEC CORP·Filed 1998·Granted Apr 17, 2001·49 cites·6 claims
- 1283US5566226APortable telephone apparatus which can be connected to an external apparatus without using an adapterNEC CORP·Filed 1995·Granted Oct 15, 1996·109 cites·11 claims
- 1381US6994887B2Chemical vapor deposition apparatus and film deposition methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Feb 7, 2006·4 cites·3 claims
- 1481US6946436B2O/W emulsion composition and method of preparing the sameOTSUKA PHARMA CO LTD·Filed 2001·Granted Sep 20, 2005·17 cites·25 claims
- 1580US7227504B2Gate antenna deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 5, 2007·27 cites·19 claims
- 1679US9121974B2Light guide, illuminating device, and image reading apparatusKONICA MINOLTA INC·Filed 2013·Granted Sep 1, 2015·4 cites·12 claims
- 1779US8518283B2Plasma etching method capable of detecting end point and plasma etching device thereforYAMAMOTO TAKASHI·Filed 2007·Granted Aug 27, 2013·7 cites·9 claims
- 1879US5870666ARadio channel estimation based on BER and RSSINEC CORP·Filed 1996·Granted Feb 9, 1999·97 cites·12 claims
- 1978US10099703B2Vehicular system, ECU, storing instruction transmission device, and storing request transmission deviceDENSO CORP·Filed 2016·Granted Oct 16, 2018·2 cites·4 claims
- 2078US5825761ARadio communication equipment with transmission rate regulating functionNEC CORP·Filed 1996·Granted Oct 20, 1998·107 cites·15 claims
- 2177US8508814B2Image reading apparatusTANAKA MASAHIKO·Filed 2010·Granted Aug 13, 2013·4 cites·12 claims
- 2277US7072613B2Wireless communication medium processing apparatus and wireless communication medium processing systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 4, 2006·8 cites·44 claims
- 2376US5661711AOptical recording and reproducing apparatusTOSHIBA KK·Filed 1996·Granted Aug 26, 1997·24 cites·16 claims
- 2475US7981216B2Vacuum processing apparatusCANON ANELVA CORP·Filed 2005·Granted Jul 19, 2011·2 cites·2 claims
- 2573US10038811B2Image reading device and image forming deviceKONICA MINOLTA INC·Filed 2016·Granted Jul 31, 2018·2 cites·8 claims
- 2672US7457637B2Noncontact recording medium reader/writerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 25, 2008·16 cites·28 claims
- 2772US7182266B2Noncontact IC card reader/writerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 27, 2007·17 cites·13 claims
- 2870US9325874B2Light guide, illuminating device and image reading apparatusKONICA MINOLTA INC·Filed 2015·Granted Apr 26, 2016·2 cites·18 claims
- 2970US7692822B2Image reading apparatus, image forming apparatus and image reading methodKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Apr 6, 2010·8 cites·17 claims
- 3070US6906912B2Solid electrolytic capacitor and method of producing the sameNEC TOKIN TOYAMA LTD·Filed 2003·Granted Jun 14, 2005·16 cites·19 claims
- 3168US10925813B2Sunscreen compositionOTSUKA PHARMA CO LTD·Filed 2013·Granted Feb 23, 2021·1 cites·4 claims
- 3266US5329244ALinear compensating circuitNEC CORP·Filed 1992·Granted Jul 12, 1994·19 cites·16 claims
- 3364US7070101B2Loop antenna and contactless IC card read/write apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 4, 2006·9 cites·15 claims
- 3463US7211152B2Heating element CVD system and connection structure between heating element and electric power supply mechanism in the heating element CVD systemANELVA CORP·Filed 2003·Granted May 1, 2007·9 cites·8 claims
- 3563US5920592AData transmitter-receiverNEC CORP·Filed 1997·Granted Jul 6, 1999·48 cites·10 claims
- 3662US7994153B2Chloasma amelioration composition and dullness amelioration compositionOTSUKA PHARMA CO LTD·Filed 2003·Granted Aug 9, 2011·3 cites·8 claims
- 3762US6208855B1Mobile data communication systemNEC CORP·Filed 1998·Granted Mar 27, 2001·30 cites·33 claims
- 3862US6011483ABattery built-in wireless ID card unit and ID verification unitNEC CORP·Filed 1997·Granted Jan 4, 2000·26 cites·4 claims
- 3959US6507482B2Chip type solid electrolytic capacitorNEC TOKIN TOYAMA LTD·Filed 2001·Granted Jan 14, 2003·9 cites·5 claims
- 4058US7064716B2Integrated antenna type non-contact IC card reader/writerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 20, 2006·6 cites·18 claims
- 4156US6418098B1Optical head apparatus for reproducing information from an optical recording mediumTOSHIBA KK·Filed 1999·Granted Jul 9, 2002·12 cites·14 claims
- 4256US2009126629A1Film-forming system and film-forming methodKUMAGAI AKIRA·Filed 2008·Application pending·0 cites
- 4355US5740138AApparatus for recording information on a primary optical disk to manufacture optical disksTOSHIBA KK·Filed 1995·Granted Apr 14, 1998·12 cites·14 claims
- 4454US5617449AIC memory card type radio modemNEC CORP·Filed 1995·Granted Apr 1, 1997·21 cites·2 claims
- 4554US2008017500A1Thin-film disposition apparatusCANON ANELVA CORP·Filed 2007·Application pending·0 cites
- 4653US5610941AIC card radio modemNEC CORP·Filed 1995·Granted Mar 11, 1997·29 cites·3 claims
- 4752US9084904B2Composition for external applicationWAKAMATSU KOSABURO·Filed 2009·Granted Jul 21, 2015·0 cites·13 claims
- 4852US2021154122A1Topical compositionOTSUKA PHARMA CO LTD·Filed 2018·Application pending·0 cites
- 4951US10281864B2Image forming apparatusKONICA MINOLTA INC·Filed 2017·Granted May 7, 2019·0 cites·10 claims
- 5051US2006127600A1Film-forming system and film-forming methodKUMAGAI AKIRA·Filed 2006·Application pending·0 cites
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →