Inventor · disambiguated record
Toshio Hisaichi
Also filed as: HISAICHI TOSHIO
3 granted patents·1 pending application·36 citations·filing 1990–2009
70Inventor score
Top patents by PatentIndex Score
4 records- 0167US5131974AMethod of controlling oxygen concentration in single crystal and an apparatus thereforSHINETSU HANDOTAI KK·Filed 1990·Granted Jul 21, 1992·20 cites·3 claims
- 0258US7588638B2Single crystal pulling apparatusCOVALENT MATERIALS CORP·Filed 2008·Granted Sep 15, 2009·3 cites·4 claims
- 0357US6153009AMethod for producing a silicon single crystal and the silicon single crystal produced therebySHINETSU HANDOTAI KK·Filed 1999·Granted Nov 28, 2000·13 cites·18 claims
- 0448US2010101485A1Manufacturing method of silicon single crystalCOVALENT MATERIALS CORP·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →