Inventor · disambiguated record

Keiji Sawaya

Also filed as: SAWAYA KEIJI

2 granted patents·5 citations·filing 1986–1989

48Inventor score

Technology areasB22D C30B

Files withHOXAN KK2

Top patents by PatentIndex Score

2 records

0130US4820145APolycrystalline silicon wafer trayHOXAN KK·Filed 1986·Granted Apr 11, 1989·3 cites·1 claims
0229US5167758AMethod of forming polycrystalline silicon layer on semiconductor waferHOXAN KK·Filed 1989·Granted Dec 1, 1992·2 cites·8 claims

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