Inventor · disambiguated record
Kenjiro Hata
Also filed as: HATA KENJIRO
18 granted patents·4 pending applications·232 citations·filing 1993–2013
94Inventor score
Top patents by PatentIndex Score
22 records- 0192US8189296B2Thin-film piezoelectric device, production method thereof, head gimbals assembly using the thin-film piezoelectric device, and hard disk using the head gimbals assemblyHATA KENJIRO·Filed 2009·Granted May 29, 2012·24 cites·7 claims
- 0282US6359733B1Composite optical element, optical isolator, optical circulator, optical switch and processes for producing themTDK CORP·Filed 2000·Granted Mar 19, 2002·22 cites·5 claims
- 0379US5691845AOptical isolator, optical isolator with fiber and method for making the sameTDK CORP·Filed 1995·Granted Nov 25, 1997·63 cites·12 claims
- 0474US7068864B2Waveguide-embedded optical circuit and optical functional element used thereinTDK CORP·Filed 2003·Granted Jun 27, 2006·15 cites·4 claims
- 0567US9450171B2Thin film piezoelectric element and manufacturing method thereof, micro-actuator, head gimbal assembly and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2013·Granted Sep 20, 2016·2 cites·36 claims
- 0666US7039280B2Embedded type optical isolator and method for manufacturing the sameTDK CORP·Filed 2002·Granted May 2, 2006·9 cites·13 claims
- 0765US5359689AOptical fiber terminal fitted with optical isolator and method of assembling the sameTDK CORP·Filed 1993·Granted Oct 25, 1994·26 cites·15 claims
- 0864US7394955B2Optical component and method of manufacturing the sameTDK CORP·Filed 2005·Granted Jul 1, 2008·3 cites·17 claims
- 0962US7048451B2Optical transceiver and optical module used in the sameTDK CORP·Filed 2004·Granted May 23, 2006·8 cites·24 claims
- 1057US7003182B2Embedded type optically irreversible circuitTDK CORP·Filed 2003·Granted Feb 21, 2006·5 cites·21 claims
- 1155US8307538B2Method for manufacturing head gimbal assembly, and method for manufacturing hard disk driveHATA KENJIRO·Filed 2010·Granted Nov 13, 2012·1 cites·6 claims
- 1253US6130778AComposite optical element, optical isolator, optical circulator, optical switch and process for producing themTDK CORP·Filed 1998·Granted Oct 10, 2000·14 cites·13 claims
- 1352US7403716B2Optical module for bi-directional communication systemTDK CORP·Filed 2004·Granted Jul 22, 2008·4 cites·20 claims
- 1452US5841922AOptical fiber terminal with optical isolator and semiconductor laser module using the sameTDK CORP·Filed 1997·Granted Nov 24, 1998·19 cites·4 claims
- 1551US7315673B2Optical multiplexer/demultiplexer and method of manufacturing the sameTDK CORP·Filed 2004·Granted Jan 1, 2008·3 cites·23 claims
- 1649US7125174B2Optical module for bi-directional communication systemTDK CORP·Filed 2004·Granted Oct 24, 2006·3 cites·20 claims
- 1745US5500915AOptical fiber terminal pitted with optical isolatorTDK CORP·Filed 1995·Granted Mar 19, 1996·11 cites·9 claims
- 1839US2013279044A1Thin film piezoelectric element and manufacturing method thereof, micro-actuator, head gimbal assembly and disk drive unit with the sameXIONG WEI·Filed 2012·Application pending·0 cites
- 1939US2004126118A1Optical module and a method of fabricating the sameTDK CORP·Filed 2003·Application pending·0 cites
- 2038US2004126117A1Optical module and a method of fabricating the sameTDK CORP·Filed 2003·Application pending·0 cites
- 2136US8330330B2Piezoelectric actuator and method of manufacturing the sameHATA KENJIRO·Filed 2010·Granted Dec 11, 2012·0 cites·12 claims
- 2236US2006239621A1Optical module and method for manufacturing sameLO ADRIAN W F·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →