Inventor · disambiguated record
Masahiko Ujiie
Also filed as: UJIIE MASAHIKO
2 granted patents·2 pending applications·5 citations·filing 1996–2007
42Inventor score
Technology areasG11B
Top patents by PatentIndex Score
4 records- 0145US7619958B2Pickup apparatus for multi-layer optical discPULSTEC IND CO LTD·Filed 2007·Granted Nov 17, 2009·0 cites·15 claims
- 0242US2006146677A1Optical disc initialization apparatus and methodFUKUI KENJI·Filed 2006·Application pending·0 cites
- 0333US2003012107A1Optical disk initialization apparatus and methodFiled 2002·Application pending·0 cites
- 0432US5781352AObjective lens supporting deviceMINEBEA CO LTD·Filed 1996·Granted Jul 14, 1998·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →