Inventor · disambiguated record
Keiichi Harashima
Also filed as: HARASHIMA KEIICHI
3 granted patents·1 pending application·182 citations·filing 1996–2010
75Inventor score
Top patents by PatentIndex Score
4 records- 0189US5677824AElectrostatic chuck with mechanism for lifting up the peripheral of a substrateNEC CORP·Filed 1996·Granted Oct 14, 1997·126 cites·3 claims
- 0278US5907077AMethod and apparatus for treatment of freon gasNEC CORP·Filed 1997·Granted May 25, 1999·53 cites·8 claims
- 0335US2010258873A1Semiconductor device and method of manufacturing the sameNEC ELECTRONICS CORP·Filed 2010·Application pending·0 cites
- 0428US6174499B1Method and apparatus for treatment of freon gasNEC CORP·Filed 1999·Granted Jan 16, 2001·3 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →