Inventor · disambiguated record
Takeharu Yamamura
Also filed as: YAMAMURA TAKEHARU
2 granted patents·1 pending application·14 citations·filing 1999–2002
52Inventor score
Files withDOWA MINING CO2
Top patents by PatentIndex Score
3 records- 0156US6533838B1High purity gallium for preparation of compound semiconductor, and method and apparatus for purifying the sameDOWA MINING CO·Filed 1999·Granted Mar 18, 2003·14 cites·10 claims
- 0239US2002162419A1High purity gallium for producing compound semiconductor, refining process and apparatus for the sameDOWA MINING CO·Filed 2002·Application pending·0 cites
- 0324US6635323B2Raw material for production of GaAs crystalsFiled 2001·Granted Oct 21, 2003·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →