Inventor · disambiguated record
Koji Hiraiwa
Also filed as: HIRAIWA KOJI
7 granted patents·4 pending applications·40 citations·filing 1997–2024
80Inventor score
Top patents by PatentIndex Score
11 records- 0176US7418020B2Surface emitting laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Aug 26, 2008·4 cites·12 claims
- 0268US7885307B2Vertical-cavity surface-emitting semiconductor laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Feb 8, 2011·3 cites·10 claims
- 0368US2024388065A1Optical semiconductor device, optical integrated device, and manufacturing method for optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0468US2024380183A1Optical semiconductor device, optical integrated device, and manufacturing method for optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0567US2024396296A1Optical semiconductor device and manufacturing method for optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0666US8178364B2Testing method of surface-emitting laser device and testing device thereofHIRAIWA KOJI·Filed 2010·Granted May 15, 2012·3 cites·14 claims
- 0761US6177710B1Semiconductor waveguide type photodetector and method for manufacturing the sameFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Jan 23, 2001·29 cites·5 claims
- 0851US2008273569A1Surface-emitting laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2008·Application pending·0 cites
- 0949US8409998B2Method of manufacturing vertical-cavity surface emitting laserTAKEO KAGEYAMA·Filed 2009·Granted Apr 2, 2013·1 cites·3 claims
- 1040US8204093B2Method 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
- 1128US8270447B2Semiconductor 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 →