Inventor · disambiguated record
Kazuhiko Maejima
Also filed as: MAEJIMA KAZUHIKO
24 granted patents·5 pending applications·88 citations·filing 1989–2017
93Inventor score
Top patents by PatentIndex Score
29 records- 0191US9331262B2Thin film piezoelectric element, thin film piezoelectric actuator, thin film piezoelectric sensor, hard drive disk, and inkjet printer deviceTDK CORP·Filed 2013·Granted May 3, 2016·7 cites·9 claims
- 0291US8981627B2Piezoelectric device with electrode films and electroconductive oxide filmSAKUMA HITOSHI·Filed 2012·Granted Mar 17, 2015·21 cites·18 claims
- 0387US7773347B2Electrostatic protection for a magnetic tape head having multiple MR read elementsTDK CORP·Filed 2007·Granted Aug 10, 2010·8 cites·17 claims
- 0487US7724474B2Thin-film magnetic head comprising contact pad including portions of closure and substrate and magnetic recording apparatus comprising the headTDK CORP·Filed 2006·Granted May 25, 2010·8 cites·42 claims
- 0580US8994251B2Piezoelectric device having first and second non-metal electroconductive intermediate filmsKURACHI KATSUYUKI·Filed 2012·Granted Mar 31, 2015·5 cites·4 claims
- 0678US7924533B2Multi-channel headTDK CORP·Filed 2007·Granted Apr 12, 2011·3 cites·6 claims
- 0777US9136820B2Piezoelectric deviceAIDA YASUHIRO·Filed 2012·Granted Sep 15, 2015·6 cites·14 claims
- 0873US6947259B2Magnetic head, magnetic head device and magnetic recording/reproducing deviceTDK CORP·Filed 2003·Granted Sep 20, 2005·9 cites·7 claims
- 0966US7570924B2High frequency signal receiving deviceSONY CORP·Filed 2005·Granted Aug 4, 2009·2 cites·3 claims
- 1059US9065049B2Thin film piezoelectric deviceTDK CORP·Filed 2012·Granted Jun 23, 2015·1 cites·6 claims
- 1159US4972509ABand switching circuit of a tunerSONY CORP·Filed 1989·Granted Nov 20, 1990·16 cites·10 claims
- 1255US9147826B2Thin film piezoelectric element, thin film piezoelectric actuator, and thin film piezoelectric sensor; and hard disk drive, and inkjet printerTDK CORP·Filed 2014·Granted Sep 29, 2015·0 cites·8 claims
- 1353US10964879B2Method of manufacturing a dielectric deviceTDK CORP·Filed 2017·Granted Mar 30, 2021·0 cites·19 claims
- 1453US7791835B2Multi-channel headTDK CORP·Filed 2007·Granted Sep 7, 2010·0 cites·2 claims
- 1553US7249368B2Tuner apparatusSONY CORP·Filed 2001·Granted Jul 24, 2007·2 cites·8 claims
- 1653US2009027812A1Magnetic signal reproduction system and magnetic signal reproduction methodFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 1751US2008112077A1Multi-channel head and method for manufacturing the sameTDK CORP·Filed 2007·Application pending·0 cites
- 1849US2014084754A1Thin film piezoelectric deviceTDK CORP·Filed 2012·Application pending·0 cites
- 1948US9076968B2Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer deviceTDK CORP·Filed 2013·Granted Jul 7, 2015·0 cites·9 claims
- 2048US7948709B2Thin-film magnetic headTDK CORP·Filed 2007·Granted May 24, 2011·0 cites·5 claims
- 2147US9277869B2Thin-film piezoelectric element, thin-film piezoelectric actuator, thin-film piezoelectric sensor, hard disk drive, and inkjet printer apparatusTDK CORP·Filed 2013·Granted Mar 8, 2016·0 cites·11 claims
- 2246US9147827B2Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer deviceTDK CORP·Filed 2012·Granted Sep 29, 2015·0 cites·9 claims
- 2346US9130169B2Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer deviceTDK CORP·Filed 2013·Granted Sep 8, 2015·0 cites·7 claims
- 2445US7113374B2Rotary head having an airflow adjustment magnetic head and a magnetic recording/reproducing apparatusTDK CORP·Filed 2005·Granted Sep 26, 2006·0 cites·20 claims
- 2543US9022532B1Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer deviceTDK CORP·Filed 2013·Granted May 5, 2015·0 cites·5 claims
- 2641US7712204B2Manufacturing method of a thin-film magnetic headTDK CORP·Filed 2007·Granted May 11, 2010·0 cites·9 claims
- 2741US2013320813A1Dielectric deviceKURACHI KATSUYUKI·Filed 2012·Application pending·0 cites
- 2839US6995956B2Rotary head having an adjustable magnetic head and a magnetic recording/reproducing apparatusTDK CORP·Filed 2003·Granted Feb 7, 2006·0 cites·9 claims
- 2939US2005288059A1High frequency signal receiving apparatusSONY CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →