Assignee
HAYAKAWA AKINORI
JP·4 granted patents·8 citations·filing 2009–2012
Top patents by PatentIndex Score
4 records- 0178US8818142B2Optical semiconductor deviceHAYAKAWA AKINORI·Filed 2012·Granted Aug 26, 2014·3 cites·10 claims
- 0272US8401352B2Optical waveguide device, its manufacture method, laser module and optical transmission systemHAYAKAWA AKINORI·Filed 2010·Granted Mar 19, 2013·3 cites·10 claims
- 0368US8891159B2Optical semiconductor element, semiconductor laser, and method of manufacturing optical semiconductor elementHAYAKAWA AKINORI·Filed 2012·Granted Nov 18, 2014·2 cites·8 claims
- 0454US8073033B2Optical semiconductor device and driving method thereofHAYAKAWA AKINORI·Filed 2009·Granted Dec 6, 2011·0 cites·4 claims
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