Inventor · disambiguated record
Katsuhiko Iizuka
Also filed as: IIZUKA KATSUHIKO
6 granted patents·1 pending application·157 citations·filing 1991–2004
85Inventor score
Top patents by PatentIndex Score
7 records- 0178US5472564AMethod of dry etching with hydrogen bromide or bromideFUJITSU LTD·Filed 1993·Granted Dec 5, 1995·60 cites·5 claims
- 0273US5316616ADry etching with hydrogen bromide or bromineFUJITSU LTD·Filed 1993·Granted May 31, 1994·49 cites·6 claims
- 0357US6987062B2Manufacturing method of semiconductor deviceSANYO ELECTRIC CO·Filed 2004·Granted Jan 17, 2006·6 cites·9 claims
- 0455US5487811AProcess for preparation of semiconductor deviceFUJITSU LTD·Filed 1991·Granted Jan 30, 1996·27 cites·10 claims
- 0546US7022575B2Manufacturing method of semiconductor deviceSANYO ELECTRIC CO·Filed 2004·Granted Apr 4, 2006·2 cites·10 claims
- 0640US5756401AProcess for the etching of polycide filmFUJITSU LTD·Filed 1993·Granted May 26, 1998·13 cites·18 claims
- 0730US2004203214A1Method of manufacturing semiconductor deviceSANYO ELECTRIC CO·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →