Inventor · disambiguated record
Youichirou Numasawa
Also filed as: NUMASAWA YOUICHIROU
3 granted patents·64 citations·filing 1992–2000
73Inventor score
Files withNEC CORP2
Top patents by PatentIndex Score
3 records- 0173US5256455AMethod of forming film of tantalum oxide by plasma chemical vapor depositionNEC CORP·Filed 1992·Granted Oct 26, 1993·41 cites·7 claims
- 0263US6506662B2Method for forming an SOI substrate by use of a plasma ion irradiationFiled 2000·Granted Jan 14, 2003·14 cites·15 claims
- 0339US5306672AMethod of manufacturing a semiconductor device wherein natural oxide film is removed from the surface of silicon substrate with HF gasNEC CORP·Filed 1992·Granted Apr 26, 1994·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →