Inventor

YAMAMURA TAKEHARU

JP2 patents

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

DOWA MINING CO

1 patent

US6533838B1Mar 18, 2003

High purity gallium for preparation of compound semiconductor, and method and apparatus for purifying the same

DOWA MINING CO14 citations78

(unassigned)

1 patent

US6635323B2Oct 21, 2003

Raw material for production of GaAs crystals

0 citations37