Inventor · disambiguated record
Koji Nishizuka
Also filed as: NISHIZUKA KOJI
5 granted patents·4 pending applications·16 citations·filing 2011–2018
72Inventor score
Top patents by PatentIndex Score
9 records- 0191US9123843B2Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Sep 1, 2015·8 cites·10 claims
- 0284US9773932B2Epitaxial wafer and method for manufacturing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Sep 26, 2017·6 cites·11 claims
- 0364US9887310B2Semiconductor layered structure, method for producing semiconductor layered structure, and method for producing semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 6, 2018·1 cites·10 claims
- 0461US8809868B2Group-III nitride semiconductor device, method for fabricating Group-III nitride semiconductor device, and epitaxial substrateENYA YOHEI·Filed 2011·Granted Aug 19, 2014·1 cites·22 claims
- 0551US10594110B2Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laserSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 17, 2020·0 cites·5 claims
- 0647US2019044306A1Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laserSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 0740US2017040477A1Semiconductor layered structure and photodiodeSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Application pending·0 cites
- 0839US2016380137A1Light-receiving deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Application pending·0 cites
- 0934US2017294547A1Semiconductor layered structure, photodiode and sensorSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koji Nishizuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →