Inventor · Narita, JP

Hidehiro Kojiri

10Patents
3h-index
27Co-inventors
60Inventor score

Filing activity: Feb 17, 2000 → Oct 9, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6432318B1 Dielectric etch process reducing striations and maintaining critical dimensions Electricity 13 Expired
US8507304B2 Method of forming a group III-nitride crystalline film on a patterned substrate by hydride vapor phase epitaxy (HVPE) Electricity 12 Active
US6800213B2 Precision dielectric etch using hexafluorobutadiene Electricity 7 Expired
US8138069B2 Substrate pretreatment for subsequent high temperature group III depositions Electricity 3 Active
US8778783B2 Methods for improved growth of group III nitride buffer layers Electricity 3 Active
US9431477B2 Method of forming a group III-nitride crystalline film on a patterned substrate by hydride vapor phase epitaxy (HVPE) Electricity 1 Active
US11145504B2 Method of forming film stacks with reduced defects Electricity 0 Active
US8980002B2 Methods for improved growth of group III nitride semiconductor compounds Chemistry; Metallurgy 0 Active
US8853086B2 Methods for pretreatment of group III-nitride depositions Electricity 0 Active
US10755903B2 RPS defect reduction by cyclic clean induced RPS cooling Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.