Inventor · disambiguated record
Takeo Yasuda
Also filed as: YASUDA TAKEO
57 granted patents·8 pending applications·499 citations·filing 1979–2024
98Inventor score
Top patents by PatentIndex Score
65 records- 0192US12294369B2Asymmetrical clock separation and stage delay optimization in single flux quantum logicIBM·Filed 2022·Granted May 6, 2025·2 cites·20 claims
- 0289US6175282B1Method for calibrating a VCO characteristic and automatically calibrated PLL having a VCOIBM·Filed 1999·Granted Jan 16, 2001·69 cites·7 claims
- 0387US7268494B2Compact fluorescent lamp and luminaire using the sameTOSHIBA LIGHTING & TECHNOLOGY·Filed 2005·Granted Sep 11, 2007·12 cites·14 claims
- 0485US6437502B1Selfballasted fluorescent lamp having specified tube geometry, luminous flux, lamp efficiency and power requirementsTOSHIBA LIGHTING & TECHNOLOGY·Filed 1998·Granted Aug 20, 2002·32 cites·5 claims
- 0584US6794801B2Compact selfballasted fluorescent lamp and luminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2002·Granted Sep 21, 2004·21 cites·14 claims
- 0684US6781315B2Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2001·Granted Aug 24, 2004·15 cites·4 claims
- 0783US7067981B2Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2004·Granted Jun 27, 2006·13 cites·8 claims
- 0883US5629586ACompact fluorescent lamp unit having first and second sealed end portions separated by a support memberTOSHIBA LIGHTING & TECHNOLOGY·Filed 1995·Granted May 13, 1997·44 cites·8 claims
- 0981US6259300B1Differential input interface circuit and method for adjusting DC levels of differential input signalsIBM·Filed 2000·Granted Jul 10, 2001·29 cites·9 claims
- 1079US10891543B2LUT based synapse weight update scheme in STDP neuromorphic systemsSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Jan 12, 2021·4 cites·20 claims
- 1178US12124946B2Bias scheme for single-device synaptic elementIBM·Filed 2023·Granted Oct 22, 2024·0 cites·18 claims
- 1276US7053554B2Bulb-shaped fluorescent lamp and illumination deviceTOSHIBA LIGHTING & TECHNOLOGY·Filed 2003·Granted May 30, 2006·12 cites·39 claims
- 1376US4297173AMethod for determining ammonia and sensor thereforAJINOMOTO KK·Filed 1980·Granted Oct 27, 1981·36 cites·15 claims
- 1475US10671911B2Current mirror scheme for an integrating neuron circuitIBM·Filed 2016·Granted Jun 2, 2020·3 cites·25 claims
- 1575US10446231B2Memory cell structureIBM·Filed 2019·Granted Oct 15, 2019·2 cites·20 claims
- 1673US11321608B2Synapse memory cell driverIBM·Filed 2018·Granted May 3, 2022·2 cites·16 claims
- 1773US10643125B2Methods and systems of neuron leaky integrate and fire circuitsIBM·Filed 2016·Granted May 5, 2020·2 cites·8 claims
- 1873US5821795ACircuit for cancelling the DC offset in a differential analog front end of a read channelIBM·Filed 1997·Granted Oct 13, 1998·37 cites·10 claims
- 1972US12413217B1Duty compensation schemeIBM·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 2072US5828170AFluorescent lamp unit and lighting apparatus having the fluorescent lamp unitTOSHIBA LIGHTING & TECHNOLOGY·Filed 1996·Granted Oct 27, 1998·38 cites·19 claims
- 2171US9021000B2High speed and low power circuit structure for barrel shifterYASUDA TAKEO·Filed 2012·Granted Apr 28, 2015·2 cites·10 claims
- 2271US7679408B2Glitchless clock multiplexer optimized for synchronous and asynchronous clocksIBM·Filed 2007·Granted Mar 16, 2010·6 cites·14 claims
- 2371US2024020522A1Performance and area efficient synapse memory cell structureIBM·Filed 2023·Application pending·0 cites
- 2470US12438530B2Ir drop compensationIBM·Filed 2023·Granted Oct 7, 2025·0 cites·8 claims
- 2570US10762419B2Digitial STDP synapse and LIF neuron-based neuromorphic systemIBM·Filed 2019·Granted Sep 1, 2020·1 cites·19 claims
- 2670US6417615B1Fluorescent lamp with auxiliary amalgam secured to single lead wireTOSHIBA LIGHTING & TECHNOLOGY·Filed 1999·Granted Jul 9, 2002·22 cites·14 claims
- 2769US6956327B2Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2002·Granted Oct 18, 2005·5 cites·11 claims
- 2868US12198039B2Synapse memoryIBM·Filed 2022·Granted Jan 14, 2025·0 cites·20 claims
- 2968US11741353B2Bias scheme for single-device synaptic elementIBM·Filed 2020·Granted Aug 29, 2023·0 cites·25 claims
- 3066US11188815B2Weight shifting for neuromorphic synapse arrayIBM·Filed 2019·Granted Nov 30, 2021·1 cites·20 claims
- 3166US8086989B2Structure for glitchless clock multiplexer optimized for synchronous and asynchronous clocksHAILU ESKINDER·Filed 2008·Granted Dec 27, 2011·5 cites·20 claims
- 3263US11789857B2Data transfer with continuous weighted PPM duration signalIBM·Filed 2021·Granted Oct 17, 2023·0 cites·25 claims
- 3363US7042158B2Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaireTOSHIBA LIGHTING & TECHNOLOGY·Filed 2004·Granted May 9, 2006·3 cites·5 claims
- 3462US10552731B2Digital STDP synapse and LIF neuron-based neuromorphic systemIBM·Filed 2015·Granted Feb 4, 2020·1 cites·20 claims
- 3562US6089749AByte synchronization system and method using an error correcting codeIBM·Filed 1997·Granted Jul 18, 2000·21 cites·14 claims
- 3660US11809982B2Performance and area efficient synapse memory cell structureIBM·Filed 2020·Granted Nov 7, 2023·0 cites·16 claims
- 3759US11308390B2Methods and systems of neuron leaky integrate and fire circuitsIBM·Filed 2019·Granted Apr 19, 2022·0 cites·20 claims
- 3858US5138223ATubular fluorescent lamp with intermediate electrodeTOSHIBA LIGHTING & TECHNOLOGY·Filed 1990·Granted Aug 11, 1992·14 cites·6 claims
- 3958US4299669AMethod for determining the concentration of an L-amino acid in fermentationAJINOMOTO KK·Filed 1979·Granted Nov 10, 1981·7 cites·5 claims
- 4057US9501260B2High speed and low power circuit structure for barrel shifterIBM·Filed 2013·Granted Nov 22, 2016·0 cites·5 claims
- 4157US9484894B2Self-adjusting duty cycle tunerYASUDA TAKEO·Filed 2012·Granted Nov 1, 2016·1 cites·10 claims
- 4257US2023351234A1Effective synchronous gates for rapid single flux quantum logicIBM·Filed 2022·Application pending·0 cites
- 4356US11087811B1NVM synaptic element with gradual reset capabilityIBM·Filed 2020·Granted Aug 10, 2021·0 cites·25 claims
- 4455US2025112551A1Handling surge of current due to a sudden increase in operation loadIBM·Filed 2023·Application pending·0 cites
- 4553US9996317B2High speed and low power circuit structure for barrel shifterYASUDA TAKEO·Filed 2015·Granted Jun 12, 2018·0 cites·15 claims
- 4653US8295105B2Semiconductor memory deviceYASUDA TAKEO·Filed 2010·Granted Oct 23, 2012·1 cites·5 claims
- 4753US6229774B1Method and apparatus for a phase locked loopIBM·Filed 1999·Granted May 8, 2001·16 cites·19 claims
- 4852US10297321B2Memory cell structureIBM·Filed 2018·Granted May 21, 2019·0 cites·20 claims
- 4952US4384936ASystem for determining the concentration of an L-amino acid in fermentationAJINOMOTO KK·Filed 1981·Granted May 24, 1983·10 cites·7 claims
- 5050US9484895B2Self-adjusting duty cycle tunerIBM·Filed 2013·Granted Nov 1, 2016·0 cites·5 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takeo Yasuda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →