Inventor · disambiguated record
Akira Kikitsu
Also filed as: KIKITSU AKIRA
128 granted patents·33 pending applications·1,733 citations·filing 1989–2025
99Inventor score
Top patents by PatentIndex Score
161 records- 0198US11119161B2Magnetic sensor and diagnostic deviceTOSHIBA KK·Filed 2020·Granted Sep 14, 2021·5 cites·16 claims
- 0298US6602620B1Magnetic recording apparatus, magnetic recording medium and manufacturing method thereofTOSHIBA KK·Filed 1999·Granted Aug 5, 2003·221 cites·23 claims
- 0398US6014296AMagnetic disk, method of manufacturing magnetic disk and magnetic recording apparatusTOSHIBA KK·Filed 1996·Granted Jan 11, 2000·187 cites·10 claims
- 0497US11237230B1Magnetic sensor and inspection deviceTOSHIBA KK·Filed 2021·Granted Feb 1, 2022·10 cites·20 claims
- 0597US6830824B2Magnetic recording medium with multiple magnetic layers capable of being exchange coupled at elevated temperatures and magnetic recording apparatusTOSHIBA KK·Filed 2001·Granted Dec 14, 2004·105 cites·32 claims
- 0697US6636460B2Thermally-assisted magnetic recording method and thermally-assisted magnetic recorderTOSHIBA KK·Filed 2000·Granted Oct 21, 2003·87 cites·20 claims
- 0796US11432751B2Magnetic sensor and inspection deviceTOSHIBA KK·Filed 2021·Granted Sep 6, 2022·3 cites·20 claims
- 0896US11350840B2Magnetic sensor, biological cell sensing device, and diagnostic deviceTOSHIBA KK·Filed 2020·Granted Jun 7, 2022·3 cites·10 claims
- 0996US6795380B2Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatusTOSHIBA KK·Filed 2002·Granted Sep 21, 2004·62 cites·13 claims
- 1095US8085582B2Magnetic recording device and magnetic recording apparatusNAKAMURA SHIHO·Filed 2008·Granted Dec 27, 2011·47 cites·11 claims
- 1195US7345838B2Magnetic recording media and magnetic recording and reproducing apparatusTOSHIBA KK·Filed 2005·Granted Mar 18, 2008·23 cites·10 claims
- 1295US7067207B2Magnetic recording medium having a patterned soft magnetic layerTOSHIBA KK·Filed 2003·Granted Jun 27, 2006·93 cites·10 claims
- 1395US6741524B2Thermally-assisted magnetic recording and reproducing device having an electron beam thermal sourceTOSHIBA KK·Filed 2000·Granted May 25, 2004·57 cites·18 claims
- 1494US11513173B2Magnetic sensor and inspection deviceTOSHIBA KK·Filed 2021·Granted Nov 29, 2022·2 cites·20 claims
- 1594US11493571B2Magnetic sensor and inspection deviceTOSHIBA KK·Filed 2021·Granted Nov 8, 2022·2 cites·19 claims
- 1694US6982845B2Magnetic recording apparatus and magnetic recording methodTOSHIBA KK·Filed 2003·Granted Jan 3, 2006·47 cites·19 claims
- 1794US6881495B2Magnetic recording medium including functional and recording layers orthogonally exchange coupledTOSHIBA KK·Filed 2002·Granted Apr 19, 2005·38 cites·4 claims
- 1893US7443626B2Patterned disk medium for vertical magnetic recording, and magnetic disk drive with the mediumTOSHIBA KK·Filed 2005·Granted Oct 28, 2008·16 cites·2 claims
- 1993US7319568B2Magnetic recording media, magnetic recording apparatus, and stamperTOSHIBA KK·Filed 2005·Granted Jan 15, 2008·16 cites·10 claims
- 2092US7708543B2Stamper for magnetic recording media, method of manufacturing magnetic recording media using the same, and method of manufacturing stamper for magnetic recording mediaTOSHIBA KK·Filed 2006·Granted May 4, 2010·13 cites·3 claims
- 2192US7141317B2Perpendicular magnetic recording mediumTOSHIBA KK·Filed 2003·Granted Nov 28, 2006·30 cites·8 claims
- 2291US12265141B2Sensor and inspection deviceTOSHIBA KK·Filed 2023·Granted Apr 1, 2025·1 cites·19 claims
- 2391US11402441B2Magnetic sensor and inspection deviceTOSHIBA KK·Filed 2021·Granted Aug 2, 2022·2 cites·20 claims
- 2491US7826176B2Magnetic recording medium with thicker protective film in edge areas and magnetic recording apparatus using the mediumTOSHIBA KK·Filed 2007·Granted Nov 2, 2010·11 cites·8 claims
- 2591US7782562B2Magnetic recording media and magnetic recording deviceTOSHIBA KK·Filed 2006·Granted Aug 24, 2010·12 cites·9 claims
- 2691US7760467B2Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatusTOSHIBA KK·Filed 2006·Granted Jul 20, 2010·9 cites·10 claims
- 2790US11710501B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Jul 25, 2023·2 cites·25 claims
- 2890US11493572B2Magnetic sensorTOSHIBA KK·Filed 2020·Granted Nov 8, 2022·2 cites·17 claims
- 2990US8792271B2Magnetic memory device and method of magnetic domain wall motionMORISE HIROFUMI·Filed 2011·Granted Jul 29, 2014·10 cites·11 claims
- 3090US7625645B2Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatusTOSHIBA KK·Filed 2006·Granted Dec 1, 2009·10 cites·6 claims
- 3190US7494725B2Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatusTOSHIBA KK·Filed 2005·Granted Feb 24, 2009·9 cites·18 claims
- 3290US7323258B2Magnetic recording medium and method for manufacturing the sameTOSHIBA KK·Filed 2004·Granted Jan 29, 2008·29 cites·13 claims
- 3390US6493164B1Magnetic recording apparatus and method of magnetic recordingTOSHIBA KK·Filed 2000·Granted Dec 10, 2002·30 cites·14 claims
- 3489US7372648B2Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatusTOSHIBA KK·Filed 2004·Granted May 13, 2008·23 cites·8 claims
- 3588US7416794B2Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatusTOSHIBA KK·Filed 2005·Granted Aug 26, 2008·7 cites·12 claims
- 3687US7894155B2Magnetic recording medium, method of fabricating the same, and magnetic recording apparatusTOSHIBA KK·Filed 2007·Granted Feb 22, 2011·6 cites·1 claims
- 3787US7314833B2Method for manufacturing substrate for discrete track recording media and method for manufacturing discrete track recording mediaTOSHIBA KK·Filed 2006·Granted Jan 1, 2008·7 cites·4 claims
- 3887US6826144B1Optical recording medium, optical recording and/or reproducing method, and optical recording and/or reproducing systemTOSHIBA KK·Filed 2000·Granted Nov 30, 2004·19 cites·16 claims
- 3986US7431999B2Perpendicular magnetic recording medium and magnetic recording/reproducing apparatusTOSHIBA KK·Filed 2005·Granted Oct 7, 2008·7 cites·18 claims
- 4086US5652054AMagnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrixTOSHIBA KK·Filed 1995·Granted Jul 29, 1997·56 cites·20 claims
- 4185US8116035B2Magnetic recording medium having a secondary recording layer made of a material having a negative crystal magnetic anisotropy and magnetic recording and reproducing apparatusTAKAHASHI MIGAKU·Filed 2006·Granted Feb 14, 2012·6 cites·10 claims
- 4285US7936537B2Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatusTOSHIBA KK·Filed 2009·Granted May 3, 2011·4 cites·10 claims
- 4385US7635529B2Substrate for magnetic recording media, magnetic recording media and magnetic recording apparatusSHOWA DENKO KK·Filed 2006·Granted Dec 22, 2009·6 cites·7 claims
- 4485US7618549B2Method of forming patterns and method of manufacturing magnetic recording mediaTOSHIBA KK·Filed 2006·Granted Nov 17, 2009·6 cites·12 claims
- 4584US8625335B2Magnetic storage element, magnetic storage device, and magnetic memoryMORISE HIROFUMI·Filed 2011·Granted Jan 7, 2014·9 cites·14 claims
- 4684US6174597B1Magnetic recording apparatusTOSHIBA KK·Filed 1997·Granted Jan 16, 2001·83 cites·23 claims
- 4783US5729408AMagnetic recording/reproducing apparatus having a magnetic head with a linearly movable arm provided with a plurality of recording/reproducing elementsTOSHIBA KK·Filed 1996·Granted Mar 17, 1998·40 cites·13 claims
- 4882US6777078B2Magnetic recording medium with L10 crystal grains including three or more elementsTOSHIBA KK·Filed 2002·Granted Aug 17, 2004·15 cites·17 claims
- 4981US11815570B2Magnetic sensor and diagnostic deviceTOSHIBA KK·Filed 2020·Granted Nov 14, 2023·1 cites·18 claims
- 5081US7580223B2Magnetic recording media, substrate for magnetic recording media, and magnetic recording apparatusTOSHIBA KK·Filed 2006·Granted Aug 25, 2009·4 cites·10 claims
Showing the top 50 of 161 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →