YO

Yoshikazu Ooshika

DC Dowa Electronics Materials Co.: 6 patents #43 of 241Top 20%
📍 Kamisato, JP: #4 of 19 inventorsTop 25%
Overall (All Time): #842,317 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9543469 III nitride semiconductor epitaxial substrate and III nitride semiconductor light emitting device, and methods of producing the same Masatoshi Iwata 2017-01-10
8765222 Method of manufacturing a p-AlGaN layer Tetsuya Matsuura 2014-07-01
8742396 III nitride epitaxial substrate and deep ultraviolet light emitting device using the same 2014-06-03
8735938 Semiconductor device and method of producing the same Tetsuya Matsuura 2014-05-27
8680509 Nitride semiconductor device and method of producing the same Tetsuya Matsuura 2014-03-25
8330168 Nitride semiconductor light-emitting element and method of manufacturing the same Yutaka Ohta 2012-12-11