Inventor
HIGASHIHARA SHUHEI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “HIGASHIHARA SHUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
9 patentsUS8795431B2Aug 5, 2014
Method for producing gallium nitride layer and seed crystal substrate used in same
NGK INSULATORS LTD7 citations81
US7833347B2Nov 16, 2010
Process and apparatus for producing nitride single crystal
NGK INSULATORS LTD7 citations73
US10859747B2Dec 8, 2020
Phosphor element and illumination device
NGK INSULATORS LTD2 citations72
US7842133B2Nov 30, 2010
Single crystal growing method
NGK INSULATORS LTD2 citations62
US12359341B2Jul 15, 2025
Bonded substrate composed of support substrate and group-13 element nitride crystal substrate
NGK INSULATORS LTD0 citations59
US12436442B2Oct 7, 2025
Waveguide device, optical scanning device and optical modulation device
NGK INSULATORS LTD0 citations51
US10156022B2Dec 18, 2018
Method for producing nitride of group-13 element, and melt composition
NGK INSULATORS LTD0 citations51
US10041186B2Aug 7, 2018
Method for producing nitride crystal
NGK INSULATORS LTD1 citations51
US10190233B2Jan 29, 2019
Method and device for producing a group 13 element nitride crystal using a shielding object
NGK INSULATORS LTD0 citations37