Inventor · disambiguated record
Kazuhiko Hosomi
Also filed as: HOSOMI KAZUHIKO
20 granted patents·4 pending applications·333 citations·filing 2000–2015
95Inventor score
Top patents by PatentIndex Score
24 records- 0195US9230573B1Magnetic recording head with non-magnetic bump structure formed on spin torque oscillatorHGST Netherlands BV·Filed 2015·Granted Jan 5, 2016·20 cites·20 claims
- 0295US9142227B1Microwave assisted magnetic recording (MAMR) write head and systemHGST Netherlands BV·Filed 2014·Granted Sep 22, 2015·31 cites·12 claims
- 0395US8303195B2Optical transceiver moduleADACHI KOICHIRO·Filed 2008·Granted Nov 6, 2012·32 cites·18 claims
- 0494US8837088B1Microwave-assisted magnetic recording (MAMR) head with a current confinement structureHGST Netherlands BV·Filed 2013·Granted Sep 16, 2014·23 cites·20 claims
- 0594US8472135B1Microwave-assisted magnetic recording head having a current confinement structureKUSUKAWA KIKUO·Filed 2012·Granted Jun 25, 2013·66 cites·22 claims
- 0693US9390733B2Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structureHGST Netherlands BV·Filed 2013·Granted Jul 12, 2016·19 cites·14 claims
- 0791US8036533B2Optical transmitter/receiver moduleHITACHI LTD·Filed 2008·Granted Oct 11, 2011·29 cites·12 claims
- 0887US6546034B2Semiconductor laser device, semiconductor laser array device and optical fiber transmission systemHITACHI LTD·Filed 2000·Granted Apr 8, 2003·28 cites·13 claims
- 0985US8570686B2Magnetic recording head with non-conformal side shield gapHOSOMI KAZUHIKO·Filed 2012·Granted Oct 29, 2013·14 cites·19 claims
- 1085US7616845B2Optical moduleHITACHI LTD·Filed 2008·Granted Nov 10, 2009·15 cites·7 claims
- 1181US6731846B2Dispersion compensator and optical transmission system using sameHITACHI LTD·Filed 2001·Granted May 4, 2004·27 cites·8 claims
- 1280US8824103B2Magnetic recording head and magnetic recording apparatusSHIIMOTO MASATO·Filed 2012·Granted Sep 2, 2014·5 cites·5 claims
- 1376US8964331B2Perpendicular magnetic write head having a main magnetic write pole portion and a magnetic sub-pole portion configured for increased magnetic write fieldSUGIYAMA MIKITO·Filed 2012·Granted Feb 24, 2015·4 cites·8 claims
- 1473US8941948B2Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG)ETOH KIMITOSHI·Filed 2012·Granted Jan 27, 2015·3 cites·21 claims
- 1572US8965153B2Optical semiconductor device and optical waveguideTAKAHASHI MAKOTO·Filed 2007·Granted Feb 24, 2015·4 cites·12 claims
- 1667US7450789B2Micro sensor deviceHITACHI LTD·Filed 2006·Granted Nov 11, 2008·2 cites·6 claims
- 1766US9076462B2Magnetic head having a short yoke with a tapered coil structureHGST Netherlands BV·Filed 2013·Granted Jul 7, 2015·1 cites·19 claims
- 1860US6931189B2Optical waveguides and optical devices with optical waveguidesHITACHI LTD·Filed 2002·Granted Aug 16, 2005·7 cites·6 claims
- 1959US7145146B2Micro-spectroscopic measuring device and micro-chemical systemHITACHI LTD·Filed 2004·Granted Dec 5, 2006·2 cites·16 claims
- 2054US7590356B2Variable dispersion compensatorHITACHI METALS LTD·Filed 2006·Granted Sep 15, 2009·1 cites·33 claims
- 2148US2009263078A1Optical deviceHITACHI LTD·Filed 2009·Application pending·0 cites
- 2241US2009097847A1Optical moduleHOSOMI KAZUHIKO·Filed 2008·Application pending·0 cites
- 2339US2010247043A1Optical module and wavelength division multiplexing optical moduleHITACHI LTD·Filed 2010·Application pending·0 cites
- 2437US2003185532A1Optical functional device and fabrication process for the sameFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →