Inventor

HOURAI MASATAKA

JP30 patents

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

HOURAI MASATAKA

SUMCO CORP

Process for growing silicon single crystal and process for producing silicon wafer

Silicon wafer, method for producing silicon wafer and method for growing silicon single crystal

Method for manufacturing silicon single crystal, and silicon wafer

Silicon wafer, method for manufacturing the same and method for growing silicon single crystals

Method for manufacturing silicon wafer method

Silicon wafer and its manufacturing method

Apparatus for manufacturing semiconductor single crystal

Method for growing silicon single crystal and silicon wafer

Apparatus for manufacturing semiconductor single crystal

Manufacturing method of hydrogen-doped silicon single crystal

Method of producing silicon single crystal ingot and silicon single crystal ingot

Process for producing high-resistance silicon wafers and process for producing epitaxial wafers and SOI wafers

Silicon wafer, SOI substrate, method for growing silicon single crystal, method for manufacturing silicon wafer, and method for manufacturing SOI substrate

Silicon wafer and epitaxial silicon wafer

SUMITOMO MITSUBISHI SILICON

Silicon wafer

Manufacturing method of silicon wafer

Silicon single crystal wafer

High resistivity silicon wafer and method for fabricating the same

Silicon wafer and method for manufacturing the same

Process for producing epitaxial silicon wafer and silicon wafer produced by process thereof

SUMITOMO SITIX CORP

Manufacturing method for a silicon single crystal wafer

Silicon single crystal wafer and manufacturing method for it

ONO TOSHIAKI

Silicon single crystal wafer for IGBT and method for manufacturing silicon single crystal wafer for IGBT

Silicon wafer and method for manufacturing the same

SUMITOMO METAL IND

Method of manufacturing epitaxial wafer

UCHINO SHIN

Method of evaluating silicon wafer and method of manufacturing silicon wafer

UNIV NIIGATA

Quantitative evaluation device and method of atomic vacancy existing in silicon wafer

MITSUGI NORITOMO

Method of removing heavy metal in semiconductor substrate

UMENO SHIGERU

Silicon wafer and method for producing the same

SADAMITSU SHINSUKE

High resistivity silicon wafers