Inventor · disambiguated record
Kouji Nakahara
Also filed as: NAKAHARA KOUJI
28 granted patents·7 pending applications·98 citations·filing 1999–2024
95Inventor score
Top patents by PatentIndex Score
35 records- 0189US6985505B2Semiconductor laser diode and optical moduleOPNEXT JAPAN INC·Filed 2005·Granted Jan 10, 2006·13 cites·13 claims
- 0284US10187157B2Optical transmitter moduleOCLARO JAPAN INC·Filed 2017·Granted Jan 22, 2019·4 cites·3 claims
- 0380US7583714B2Vertical cavity surface emitting semiconductor laser deviceOPNEXT JAPAN INC·Filed 2007·Granted Sep 1, 2009·6 cites·6 claims
- 0479US6989550B2Distributed feedback semiconductor laser equipment employing a gratingOPNEXT JAPAN INC·Filed 2003·Granted Jan 24, 2006·15 cites·22 claims
- 0578US10181699B2Semiconductor optical device, optical module, and method for manufacturing semiconductor optical deviceOCLARO JAPAN INC·Filed 2017·Granted Jan 15, 2019·2 cites·12 claims
- 0677US11710940B2Semiconductor optical deviceLUMENTUM JAPAN INC·Filed 2022·Granted Jul 25, 2023·0 cites·20 claims
- 0777US9778428B2Semiconductor optical device, arrayed semiconductor optical device, and optical moduleOCLARO JAPAN INC·Filed 2016·Granted Oct 3, 2017·2 cites·13 claims
- 0876US11189991B2Semiconductor optical element and semiconductor optical device comprising the sameLUMENTUM JAPAN INC·Filed 2020·Granted Nov 30, 2021·1 cites·20 claims
- 0972US10355454B2Optical semiconductor device, optical module, and method for manufacturing optical semiconductor deviceOCLARO JAPAN INC·Filed 2017·Granted Jul 16, 2019·1 cites·9 claims
- 1072US2025392100A1Semiconductor laserLUMENTUM OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1171US6639241B2Optical device using semiconductorHITACHI LTD·Filed 2002·Granted Oct 28, 2003·11 cites·16 claims
- 1267US12046870B2Optical semiconductor deviceLUMENTUM JAPAN INC·Filed 2022·Granted Jul 23, 2024·0 cites·20 claims
- 1366US8124432B2Nitride semiconductor optical element and manufacturing method thereofTSUCHIYA TOMONOBU·Filed 2009·Granted Feb 28, 2012·4 cites·9 claims
- 1466US6990133B2Laser diode and manufacturing method thereofOPNEXT JAPAN INC·Filed 2004·Granted Jan 24, 2006·14 cites·2 claims
- 1565US11283242B2Semiconductor optical deviceLUMENTUM JAPAN INC·Filed 2019·Granted Mar 22, 2022·0 cites·20 claims
- 1664US7223993B2Optical semiconductor deviceHITACHI LTD·Filed 2005·Granted May 29, 2007·2 cites·15 claims
- 1763US6943922B2Image reading method and apparatus for sameNEC CORP·Filed 2001·Granted Sep 13, 2005·6 cites·21 claims
- 1862US8958451B2Semiconductor laser and optical semiconductor deviceOCLARO JAPAN INC·Filed 2014·Granted Feb 17, 2015·1 cites·7 claims
- 1958US2024213743A1Ridge-type semiconductor optical deviceLUMENTUM OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 2056US8569727B2Light beam scanning image projection apparatusNOMOTO ETSUKO·Filed 2009·Granted Oct 29, 2013·1 cites·9 claims
- 2154US12272929B2Optical semiconductor deviceLUMENTUM JAPAN INC·Filed 2021·Granted Apr 8, 2025·0 cites·25 claims
- 2253US2023106955A1Semiconductor optical device and manufacturing method thereforLUMENTUM JAPAN INC·Filed 2022·Application pending·0 cites
- 2351US10312665B2Optical semiconductor device, optical subassembly, and optical moduleOCLARO JAPAN INC·Filed 2018·Granted Jun 4, 2019·0 cites·11 claims
- 2449US9263852B2Semiconductor laser and optical semiconductor deviceOCLARO JAPAN INC·Filed 2015·Granted Feb 16, 2016·0 cites·15 claims
- 2545US10305599B2Optical transmitter moduleOCLARO JAPAN INC·Filed 2017·Granted May 28, 2019·0 cites·14 claims
- 2643US2007241344A1Semiconductor Light Emitting DeviceADACHI KOICHIRO·Filed 2007·Application pending·0 cites
- 2741US8891570B2Optical semiconductor deviceOCLARO JAPAN INC·Filed 2013·Granted Nov 18, 2014·0 cites·14 claims
- 2841US2003165169A1Semiconductor laser diode and optical moduleOPNEXT JAPAN INC·Filed 2002·Application pending·0 cites
- 2939US6931039B2Optical transmitter equipment and semiconductor laser deviceHITACHI LTD·Filed 2003·Granted Aug 16, 2005·0 cites·2 claims
- 3037US2001024462A1Semiconductor laser moduleFiled 2000·Application pending·0 cites
- 3135US2002071462A1Semiconductor laser deviceFiled 2001·Application pending·0 cites
- 3234US6958831B1Image scanning method and apparatus thereofNEC CORP·Filed 1999·Granted Oct 25, 2005·3 cites·9 claims
- 3334US6522424B1Image data transfer system and methodNEC CORP·Filed 1999·Granted Feb 18, 2003·6 cites·15 claims
- 3433US6563608B1Document reading apparatus and light source assembly thereforNEC CORP·Filed 1999·Granted May 13, 2003·6 cites·5 claims
- 3523US6396044B1Image reading apparatusFiled 1999·Granted May 28, 2002·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →