Inventor · disambiguated record
Takeshi Kikawa
Also filed as: KIKAWA TAKESHI
9 granted patents·6 pending applications·85 citations·filing 1990–2009
85Inventor score
Top patents by PatentIndex Score
15 records- 0184US6455876B1Semiconductor radiative deviceHITACHI LTD·Filed 2001·Granted Sep 24, 2002·22 cites·9 claims
- 0266US6990133B2Laser diode and manufacturing method thereofOPNEXT JAPAN INC·Filed 2004·Granted Jan 24, 2006·14 cites·2 claims
- 0363US5508554ASemicoductor device having defect type compound layer between single crystal substrate and single crystal growth layerHITACHI LTD·Filed 1994·Granted Apr 16, 1996·37 cites·25 claims
- 0451US7668217B2Semiconductor laser diode deviceHITACHI LTD·Filed 2007·Granted Feb 23, 2010·0 cites·1 claims
- 0549US8050305B2Semiconductor deviceSONY CORP·Filed 2008·Granted Nov 1, 2011·0 cites·17 claims
- 0647US2010040103A1Semiconductor deviceHITACHI LTD·Filed 2009·Application pending·0 cites
- 0746US6576503B2Laser diodes and manufacturing methodsHITACHI LTD·Filed 2001·Granted Jun 10, 2003·1 cites·4 claims
- 0845US2009141763A1Semiconductor laserKISHINO KATSUMI·Filed 2008·Application pending·0 cites
- 0944US7899104B2EL semiconductor deviceHITACHI LTD·Filed 2008·Granted Mar 1, 2011·0 cites·3 claims
- 1043US2009026499A1Semiconductor integrated circuit device and semiconductor switching device using thereofKIKAWA TAKESHI·Filed 2008·Application pending·0 cites
- 1138US2005287813A1Manufacturing method of semiconductor device and semiconductor manufacturing apparatusKIKAWA TAKESHI·Filed 2004·Application pending·0 cites
- 1237US5399230AMethod and apparatus for etching compound semiconductorHITACHI LTD·Filed 1993·Granted Mar 21, 1995·9 cites·28 claims
- 1334US2007126119A1Semiconductor element, production process thereof, semiconductor laser and production process thereofWASHINO RYU·Filed 2006·Application pending·0 cites
- 1431US2002115303A1Semiconductor device and method of producing the sameHITACHI LTD·Filed 2001·Application pending·0 cites
- 1530US5070272APhotoconductive device and method of operating sameHITACHI LTD·Filed 1990·Granted Dec 3, 1991·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →