YK

Yoshinao Kumagai

TO Tokuyama: 3 patents #2 of 36Top 6%
HE Hexatech: 1 patents #4 of 11Top 40%
TL Tokyo Electron Limited: 1 patents #266 of 744Top 40%
Overall (2017): #34,470 of 506,227Top 7%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9840790 Highly transparent aluminum nitride single crystalline layers and devices made therefrom Akinori Koukitu, Toru Nagashima, Toru Kinoshita, Yuki Kubota, Rafael Dalmau +4 more 2017-12-12
9708733 Method for manufacturing aluminum-based group III nitride single crystal by hydride vapor phase epitaxy Akinori Koukitsu, Toru Nagashima, Reiko Okayama 2017-07-18
9691942 Single-cystalline aluminum nitride substrate and a manufacturing method thereof Akinori Koukitu, Toru Nagashima, Yuki Hiraren 2017-06-27
9611545 ZnO film production system and production method using ZnO film production system having heating units and control device Song yun Kang, Akinori Koukitu 2017-04-04