Inventor · disambiguated record
Ryouji Hamasaki
Also filed as: HAMASAKI RYOUJI
3 granted patents·1 pending application·57 citations·filing 1999–2002
74Inventor score
Technology areasH10P
Files withHITACHI LTD3
Top patents by PatentIndex Score
4 records- 0171US6767838B1Method and apparatus for treating surface of semiconductorHITACHI LTD·Filed 2000·Granted Jul 27, 2004·11 cites·9 claims
- 0265US6849191B2Method and apparatus for treating surface of semiconductorHITACHI LTD·Filed 1999·Granted Feb 1, 2005·24 cites·6 claims
- 0358US6235146B1Vacuum treatment system and its stageHITACHI LTD·Filed 1999·Granted May 22, 2001·22 cites·14 claims
- 0440US2002125207A1Plasma processing methodFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →