Inventor · disambiguated record
Shyuichi Tsukada
Also filed as: TSUKADA SHYUICHI
13 granted patents·522 citations·filing 1994–2002
94Inventor score
Top patents by PatentIndex Score
13 records- 0193US6348835B1Semiconductor device with constant current source circuit not influenced by noiseNEC CORP·Filed 2000·Granted Feb 19, 2002·68 cites·21 claims
- 0291US5808505ASubstrate biasing circuit having controllable ring oscillatorNEC CORP·Filed 1997·Granted Sep 15, 1998·80 cites·9 claims
- 0389US5563546ASelector circuit selecting and outputting voltage applied to one of first and second terminal in response to voltage level applied to first terminalNEC CORP·Filed 1994·Granted Oct 8, 1996·80 cites·7 claims
- 0488US6194887B1Internal voltage generatorNEC CORP·Filed 1999·Granted Feb 27, 2001·55 cites·13 claims
- 0582US5521547ABoost voltage generating circuitNEC CORP·Filed 1995·Granted May 28, 1996·75 cites·8 claims
- 0674US5467052AReference potential generating circuit utilizing a difference in threshold between a pair of MOS transistorsNEC CORP·Filed 1994·Granted Nov 14, 1995·32 cites·6 claims
- 0773US5818290ABias voltage controlling apparatus with complete feedback controlNEC CORP·Filed 1996·Granted Oct 6, 1998·37 cites·6 claims
- 0870US5633826ASemiconductor memory wherein a signal selectively substitutes a redundant memory cell link for a faulty ordinary memory cell linkNEC CORP·Filed 1995·Granted May 27, 1997·33 cites·10 claims
- 0966US6212107B1Charge pump circuit and a step-up circuit provided with sameNEC CORP·Filed 1999·Granted Apr 3, 2001·26 cites·20 claims
- 1058US6898141B2Dynamic semiconductor memory device and method of controlling refresh thereofELPIDA MEMORY INC·Filed 2002·Granted May 24, 2005·10 cites·51 claims
- 1156US5729172ABooster circuit capable of suppressing fluctuations in the boosted voltageNEC CORP·Filed 1996·Granted Mar 17, 1998·24 cites·3 claims
- 1231US6101140ASense amplifier driver circuit for supplying a reduced driving voltage to sense amplifierNEC CORP·Filed 1999·Granted Aug 8, 2000·2 cites·12 claims
- 1329US6151267AMemory device with decoder having simplified structureNEC CORP·Filed 1999·Granted Nov 21, 2000·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →