Inventor · disambiguated record
Ryouji Fukuyama
Also filed as: FUKUYAMA RYOUJI
3 granted patents·11 citations·filing 2002–2003
60Inventor score
Technology areasH10P
Files withHITACHI HIGH TECH CORP3
Top patents by PatentIndex Score
3 records- 0157US7009714B2Method of dry etching a sample and dry etching systemHITACHI HIGH TECH CORP·Filed 2003·Granted Mar 7, 2006·7 cites·18 claims
- 0251US7122479B2Etching processing methodHITACHI HIGH TECH CORP·Filed 2002·Granted Oct 17, 2006·4 cites·10 claims
- 0336US7026252B2Etching aftertreatment methodHITACHI HIGH TECH CORP·Filed 2003·Granted Apr 11, 2006·0 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →