Inventor · disambiguated record
Keishi Takaki
Also filed as: TAKAKI KEISHI
21 granted patents·5 pending applications·86 citations·filing 2003–2018
93Inventor score
Files withFURUKAWA ELECTRIC CO LTD15TAKAKI KEISHI3SHIMIZU HITOSHI2ADVANCED POWER DEVICE RES ASS1FUJI ELECTRIC CO LTD1
Top patents by PatentIndex Score
26 records- 0187US9911842B2Nitride semiconductor device, production method thereof, diode, and field effect transistorFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted Mar 6, 2018·8 cites·40 claims
- 0285US9653589B2Semiconductor multi-layer substrate, semiconductor device, and method for manufacturing the sameFURUKAWA ELECTRIC CO LTD·Filed 2014·Granted May 16, 2017·8 cites·38 claims
- 0385US9276066B2Semiconductor multi-layer substrate and semiconductor elementFUJI ELECTRIC CO LTD·Filed 2013·Granted Mar 1, 2016·9 cites·26 claims
- 0485US8488644B2Semiconductor laser element and manufacturing method thereofIMAI SUGURU·Filed 2009·Granted Jul 16, 2013·16 cites·19 claims
- 0580US7180930B2DFB semiconductor laser device having ununiform arrangement of a diffraction gratingFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Feb 20, 2007·18 cites·16 claims
- 0679US7907653B2Vertical cavity surface emitting laser device and vertical cavity surface emitting laser arrayFURUKAWA ELECTRIC CO LTD·Filed 2009·Granted Mar 15, 2011·6 cites·6 claims
- 0776US7418020B2Surface emitting laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Aug 26, 2008·4 cites·12 claims
- 0872US9300114B2Laser device, method of manufacturing the same, laser device array, light source and light moduleSHIMIZU HITOSHI·Filed 2012·Granted Mar 29, 2016·3 cites·20 claims
- 0972US7881353B2Surface emitting laser element arrayFURUKAWA ELECTRIC CO LTD·Filed 2009·Granted Feb 1, 2011·4 cites·12 claims
- 1066US8494022B2Surface emitting laser, surface emitting laser array, light source and optical moduleSHIMIZU HITOSHI·Filed 2011·Granted Jul 23, 2013·2 cites·39 claims
- 1166US8178364B2Testing method of surface-emitting laser device and testing device thereofHIRAIWA KOJI·Filed 2010·Granted May 15, 2012·3 cites·14 claims
- 1266US7888145B2Method of manufacturing vertical-cavity surface-emitting laser device and vertical-cavity surface-emitting laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Feb 15, 2011·2 cites·12 claims
- 1362US8532155B2Optical interconnection systemFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Sep 10, 2013·1 cites·12 claims
- 1456US7801198B2Surface emitting laser element and method of fabricating the sameFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Sep 21, 2010·1 cites·4 claims
- 1555US8861562B2Vertical light emitting device and manufacturing methodSUZUKI TOSHIHITO·Filed 2012·Granted Oct 14, 2014·1 cites·16 claims
- 1651US2008273569A1Surface-emitting laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2008·Application pending·0 cites
- 1743US11139632B2Optical module and light output deviceFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Oct 5, 2021·0 cites·8 claims
- 1843US2015069410A1Semiconductor device, method of manufacturing the same, schottky barrier diode, and field effect transistorFURUKAWA ELECTRIC CO LTD·Filed 2014·Application pending·0 cites
- 1941US8941149B2Semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Jan 27, 2015·0 cites·17 claims
- 2041US7593448B2Semiconductor laser module and optical transmission apparatus using the semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2004·Granted Sep 22, 2009·0 cites·4 claims
- 2140US8204093B2Method of manufacturing vertical-cavity surface emitting laser and vertical-cavity surface emitting laser arrayTAKAKI KEISHI·Filed 2009·Granted Jun 19, 2012·0 cites·9 claims
- 2237US8306080B2Vertical cavity surface emitting laser apparatusTAKAKI KEISHI·Filed 2011·Granted Nov 6, 2012·0 cites·12 claims
- 2335US2014284660A1Method for manufacturing semiconductor wafer, and semiconductor waferADVANCED POWER DEVICE RES ASS·Filed 2013·Application pending·0 cites
- 2435US2011274131A1Two-dimensional surface-emitting laser array element, surface-emitting laser device and light sourceFURUKAWA ELECTRIC CO LTD·Filed 2010·Application pending·0 cites
- 2532US2012320447A1Semiconductor laser, surface emitting semiconductor laser, semiconductor laser module, and non-linear optical deviceTAKAKI KEISHI·Filed 2011·Application pending·0 cites
- 2628US8270447B2Semiconductor light emitting element and manufacturing method thereofTSUKIJI NAOKI·Filed 2010·Granted Sep 18, 2012·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →