Inventor · disambiguated record
Keiji Nakazawa
Also filed as: NAKAZAWA KEIJI
4 granted patents·1 pending application·3 citations·filing 2007–2015
61Inventor score
Top patents by PatentIndex Score
5 records- 0162US8248726B2Hard disk driveNAKAZAWA KEIJI·Filed 2007·Granted Aug 21, 2012·2 cites·6 claims
- 0258US9748731B2Optical apparatusSEDI INC·Filed 2015·Granted Aug 29, 2017·1 cites·13 claims
- 0343US8537867B2Method for fabricating optical deviceSEDI INC·Filed 2013·Granted Sep 17, 2013·0 cites·10 claims
- 0436US8391325B2Optical device and method for fabricating optical deviceNAKAZAWA KEIJI·Filed 2011·Granted Mar 5, 2013·0 cites·11 claims
- 0526US2010246620A1Laser deviceSUMITOMO ELECTRIC DEVICE INNOV·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →