Inventor

TOBA RYUICHI

JP23 patents

⚠️ This page may combine multiple inventors who share the name “TOBA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOBA RYUICHI

CHO MEOUNG WHAN

Semiconductor device and method of manufacturing the same

Lighting element

Lighting element

Lighting element

Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same

Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same

DOWA MINING CO

Notched compound semiconductor wafer

Notched compound semiconductor wafer

Surface preparation method and semiconductor device

Notched compound semiconductor wafer

Notched compound semiconductor wafer

WAVESQUARE INC

Lighting elements

Lighting elements

Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same

TOBA RYUICHI

Semiconductor device and manufacturing method therefor

III-nitride semiconductor growth substrate, III-nitride semiconductor epitaxial substrate, III-nitride semiconductor element, III-nitride semiconductor freestanding substrate all having improved crystallinity

Group III nitride semiconductor growth substrate, group III nitride semiconductor epitaxial substrate, group III nitride semiconductor element and group III nitride semiconductor free-standing substrate, and method of producing the same

DOWA ELECTRONICS MATERIALS CO LTD

GaAs wafer and method of producing GaAs ingot

Semiconductor device assembly and semiconductor device and method of manufacturing the same

NISSAN MOTOR

Structure of rear portion of automotive vehicle body

DOWA HOLDINGS CO LTD

Ultraviolet light receiving device

YAO TAKAFUMI

Group III nitride semiconductor and a manufacturing method thereof

BBSA LTD

III nitride semiconductor device and method of manufacturing the same