Inventor · disambiguated record
Seiichiro Ohtsuka
Also filed as: OHTSUKA SEIICHIRO
5 granted patents·80 citations·filing 1990–1997
82Inventor score
Files withSHINETSU HANDOTAI KK5
Top patents by PatentIndex Score
5 records- 0169US5106593AApparatus for producing czochralski-grown single crystalsSHINETSU HANDOTAI KK·Filed 1990·Granted Apr 21, 1992·26 cites·15 claims
- 0263US5868835AApparatus for recharging of silicon granules in a czochralski single crystal growing operationSHINETSU HANDOTAI KK·Filed 1997·Granted Feb 9, 1999·16 cites·10 claims
- 0356US5129986AMethod for controlling specific resistance of single crystal and an apparatus thereforSHINETSU HANDOTAI KK·Filed 1990·Granted Jul 14, 1992·18 cites·18 claims
- 0454US5690733AMethod for recharging of silicon granules in a Czochralski single crystal growing operationSHINETSU HANDOTAI KK·Filed 1995·Granted Nov 25, 1997·11 cites·7 claims
- 0542US5089239AWire vibration prevention mechanism for a single crystal pulling apparatusSHINETSU HANDOTAI KK·Filed 1990·Granted Feb 18, 1992·9 cites·3 claims
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