Inventor · disambiguated record
Mitsuru Ekawa
Also filed as: EKAWA MITSURU
14 granted patents·192 citations·filing 1995–2022
91Inventor score
Top patents by PatentIndex Score
14 records- 0190US5987046AOptical semiconductor device and a method of manufacturing the sameFUJITSU LTD·Filed 1997·Granted Nov 16, 1999·82 cites·33 claims
- 0284US8565279B2Semiconductor optical integrated device and method for fabricating the sameOKUMURA SHIGEKAZU·Filed 2012·Granted Oct 22, 2013·7 cites·8 claims
- 0378US7482617B2Optical semiconductor device and fabrication method thereofFUJITSU LTD·Filed 2005·Granted Jan 27, 2009·5 cites·17 claims
- 0474US6238943B1Optical semiconductor device and a method of manufacturing the sameFUJITSU LTD·Filed 1999·Granted May 29, 2001·35 cites·8 claims
- 0573US7804870B2Semiconductor optical device and manufacturing method thereofFUJITSU LTD·Filed 2008·Granted Sep 28, 2010·4 cites·12 claims
- 0667US6034983AMethod of fabricating compound semiconductor device and optical semiconductor deviceFUJITSU LTD·Filed 1998·Granted Mar 7, 2000·27 cites·7 claims
- 0764US6853661B2Gain-coupled semiconductor laser device lowering blue shiftFUJITSU LTD·Filed 2003·Granted Feb 8, 2005·7 cites·14 claims
- 0863US12455487B2Optical modulator and method of manufacturing optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 28, 2025·0 cites·11 claims
- 0959US12206050B2Semiconductor optical device having distributed feed-back type laser and electroabsorption-type modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Jan 21, 2025·0 cites·8 claims
- 1059US11966104B2Optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Apr 23, 2024·0 cites·13 claims
- 1158US5937273AFabricating compound semiconductor by varying ratio of stagnant layer thickness and mean free path of seed materialFUJITSU LTD·Filed 1995·Granted Aug 10, 1999·20 cites·20 claims
- 1251US8987117B2Semiconductor optical integrated device and method for fabricating the sameFUJITSU LTD·Filed 2013·Granted Mar 24, 2015·0 cites·5 claims
- 1349US7924896B2Optical semiconductor deviceFUJITSU LTD·Filed 2008·Granted Apr 12, 2011·0 cites·20 claims
- 1434US6376338B2Manufacturing method of a semiconductor device having a diffraction gratingFUJITSU LTD·Filed 1999·Granted Apr 23, 2002·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →