Inventor

Takeo Yasuda

Inventor

Yokohama, JP

Overview

42→

Patents

1981–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 42 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary

H01JElectric discharge tubes or discharge lamps17%

G06NComputing arrangements based on specific computational models12%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%

H05BElectric heating9%

G11CStatic stores8%

G06FElectric digital data processing6%

H03KPulse technique6%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%

H03MCoding4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

11,087,811NVM synaptic element with gradual reset capability2021 10,762,419Digitial STDP synapse and LIF neuron-based neuromorphic system2020 10,748,058LUT based neuron membrane potential update scheme in STDP neuromorphic systems2020 10,671,911Current mirror scheme for an integrating neuron circuit2020 10,643,125Methods and systems of neuron leaky integrate and fire circuits2020 10,552,731Digital STDP synapse and LIF neuron-based neuromorphic system2020 10,446,231Memory cell structure2019 10,297,321Memory cell structure2019 10,090,047Memory cell structure2018 9,996,317High speed and low power circuit structure for barrel shifter2018 9,501,260'High speed and low power circuit structure for barrel shifter'2016 9,484,895'Self-adjusting duty cycle tuner'2016 9,484,894'Self-adjusting duty cycle tuner'2016 9,021,000'High speed and low power circuit structure for barrel shifter'2015 8,882,305'Bulb-type lamp and luminaire'2014 8,717,836'Semiconductor memory device'2014 8,295,105'Semiconductor memory device'2012 8,086,989'Structure for glitchless clock multiplexer optimized for synchronous and asynchronous clocks'2011 7,679,408'Glitchless clock multiplexer optimized for synchronous and asynchronous clocks'2010 7,268,494'Compact fluorescent lamp and luminaire using the same'2007 7,123,110'Low power self refresh timer oscillator'2006 7,067,981'Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire'2006 7,053,554'Bulb-shaped fluorescent lamp and illumination device'2006 7,042,158'Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire'2006 6,956,327'Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire'2005 6,794,801'Compact selfballasted fluorescent lamp and luminaire'2004 6,781,315'Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire'2004 6,437,502'Selfballasted fluorescent lamp having specified tube geometry, luminous flux, lamp efficiency and power requirements'2002 6,417,615'Fluorescent lamp with auxiliary amalgam secured to single lead wire'2002 6,259,300'Differential input interface circuit and method for adjusting DC levels of differential input signals'2001 6,246,653'Data slice circuit and data slice method'2001 6,229,774'Method and apparatus for a phase locked loop'2001 6,175,282'Method for calibrating a VCO characteristic and automatically calibrated PLL having a VCO'2001 6,089,749'Byte synchronization system and method using an error correcting code'2000 5,828,170'Fluorescent lamp unit and lighting apparatus having the fluorescent lamp unit'1998 5,821,795'Circuit for cancelling the DC offset in a differential analog front end of a read channel'1998 5,629,586'Compact fluorescent lamp unit having first and second sealed end portions separated by a support member'1997 5,252,890'Compact type fluorescent lamp device having crooked arc path'1993 5,138,223'Tubular fluorescent lamp with intermediate electrode'1992 4,384,936'System for determining the concentration of an L-amino acid in fermentation'1983 4,299,669'Method for determining the concentration of an L-amino acid in fermentation'1981 4,297,173'Method for determining ammonia and sensor therefor'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to AJINOMOTO KK (3)· patent assignee history

1981–2006Based in Yokohama, JP· patent location history

1992–2014Patents assigned to TOSHIBA LIGHTING & TECHNOLOGY (14)· patent assignee history

1997–2007Based in Kanagawa, JP· patent location history

1998–2021Patents assigned to IBM (25)· patent assignee history

1998–2011Based in Shiga, JP· patent location history

2011–2018Patents assigned to YASUDA TAKEO (6)· patent assignee history

2011Patents assigned to HAILU ESKINDER (1)· patent assignee history

2015–2020Based in Nara, JP· patent location history

2018–2019Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	25	1998–2021
TOSHIBA LIGHTING & TECHNOLOGY	14	1992–2014
YASUDA TAKEOself	6	2011–2018
AJINOMOTO KK	3	1981–1983
HAILU ESKINDER	1	2011

Locations

Location	Patents	Span
Yokohama, JP	12	1981–2006
Nara, JP	10	2015–2020
Shiga, JP	7	1998–2011
Kanagawa, JP	4	1997–2007
Kawasaki, JP	3	2018–2019