Inventor · disambiguated record
Tsukasa Ohoka
Also filed as: OHOKA TSUKASA
9 granted patents·1 pending application·127 citations·filing 1993–2006
88Inventor score
Top patents by PatentIndex Score
10 records- 0163US5593915AMethod of manufacturing semiconductor deviceNEC CORP·Filed 1994·Granted Jan 14, 1997·38 cites·11 claims
- 0260US5420064AMethod of manufacturing a dielectric isolation substrateNEC CORP·Filed 1994·Granted May 30, 1995·29 cites·3 claims
- 0358US6576481B2Method of manufacturing semiconductor devicesHITACHI INT ELECTRIC INC·Filed 2001·Granted Jun 10, 2003·6 cites·5 claims
- 0457US6461961B1Methods of manufacturing semiconductor devices with ruthenium films formed by CVD using an oxygen-containing reactant gasHITACHI INT ELECTRIC INC·Filed 2001·Granted Oct 8, 2002·5 cites·18 claims
- 0556US6303954B1Semiconductor device with a high-voltage component in semiconductor on insulatorNEC CORP·Filed 1999·Granted Oct 16, 2001·17 cites·11 claims
- 0652US6538291B1Input protection circuitNEC CORP·Filed 2000·Granted Mar 25, 2003·6 cites·3 claims
- 0751US7576524B2Constant voltage generating apparatus with simple overcurrent/short-circuit protection circuitNEC ELECTRONICS CORPORATIOON·Filed 2006·Granted Aug 18, 2009·4 cites·19 claims
- 0849US5356827AMethod of manufacturing semiconductor deviceNEC CORP·Filed 1993·Granted Oct 18, 1994·21 cites·10 claims
- 0936US2003037802A1Semiconductor treating apparatus and cleaning method of the sameHITACHI LTD·Filed 2002·Application pending·0 cites
- 1028US5534726ASemiconductor device provided with status detecting functionNEC CORP·Filed 1994·Granted Jul 9, 1996·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →