Inventor

Tetsuo Sato

Inventor

San Jose, CA, US

Overview

64→

Patents

1980–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 64 as inventor

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

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

G06FElectric digital data processing5%

H02JElectric power networks5%

H03KPulse technique5%

G01RMeasuring electric variables4%

G11BInformation storage based on relative movement between record carrier and transducer4%

H01LSemiconductor devices4%

H10DInorganic electric semiconductor devices4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

PatentTitleYear

10,679,986Isolated circuit formed during back end of line process2020 10,673,254Simple battery and charger system2020 10,658,855Transformer less battery charger system2020 10,601,403Super scale capacitor for integrated circuit2020 10,594,149Battery management control method2020 10,411,698Cascode connected SiC-JFET with SiC-SBD and enhancement device2019 10,208,184Photosensitive resin composition and adhesives composition2019 10,147,722Isolated circuit formed during back end of line process2018 10,135,328Distributed driving system2018 10,082,428Temperature detection and reporting system and method in power driving and/or consuming system2018 10,069,415Trench MOSFET having an independent coupled element in a trench2018 10,050,620Cascode connected SiC-JFET with SiC-SBD and enhancement device2018 9,866,126'Galvanic isolator and circuit using galvanic isolation'2018 9,843,206'Transformer less battery charger system'2017 9,812,942'Distributed driving system'2017 9,752,938'Temperature detection and reporting system and method in power driving and/or consuming system'2017 9,711,984'High voltage generation method at battery system'2017 9,667,083'Battery management control method'2017 9,570,985'Intelligent gate drive voltage generator'2017 9,434,818'Polymerizable compositions, cured products obtained therewith, and use of these materials'2016 9,401,644'Trench MOSFET having an independent coupled element in a trench'2016 9,000,497'Trench MOSFET having an independent coupled element in a trench'2015 8,901,894'Battery management control method'2014 8,786,237'Voltage regulator and cooling control integrated circuit'2014 8,714,815'Temperature detection and reporting system and method in power driving and/or consuming system'2014 8,638,067'Cold end switch battery management control method'2014 8,400,091'Voltage regulator and cooling control integrated circuit'2013 8,360,636'Temperature detection and reporting system and method in power driving and/or consuming system'2013 8,314,606'Current sensing and measuring method and apparatus'2012 7,898,233'Multiphase voltage regulators and methods for voltage regulation'2011 7,592,134'Viral reduction method for plasma using a leukocyte-reduction filter and two virus-reduction filters of decreasing pore diameters'2009 7,551,825'Colored optical fiber and evaluation method thereof'2009 7,466,116'Current sensing circuit for a multi-phase DC-DC converter'2008 7,178,922'Lamp, condensing optical system, and image display device'2007 D0508946'Envelope holder'2005 6,787,904'Semiconductor integrated circuit device'2004 6,392,499'Frequency shift modulation circuit'2002 6,365,438'Process for manufacturing semiconductor package and circuit board assembly'2002 6,193,503'Ash melting furnace and ash melting method thereof'2001 5,943,236'Plant-operation-information displaying method and plant-operation monitoring apparatus'1999 5,512,364'Magneto-optical recording medium'1996 5,512,888'Communications system having a semiconductor integrated circuit for simultaneous mode control and a system control method'1996 5,452,329'Modem device'1995 5,341,131'Communications system and a system control method'1994 5,166,746'Aircraft docking guidance system which takes position reference in anti-collision light of aircraft'1992 5,053,288'Optical recording medium'1991 5,034,684'Probe device and method of controlling the same'1991 4,713,266'Method for production of polyester structures with improved gas barrier property'1987 4,697,041'Integrated solar cells'1987 4,639,795'Signal transmission circuit'1987 4,614,863'Optical signal processing system with variable gain stage of servo system controlled by output of environmental condition sensor'1986 4,574,276'Indicating system'1986 4,571,572'Digital/analogue converter'1986 4,510,458'Amplifier circuit'1985 4,500,932'Signal processing circuit'1985 4,489,285'Signal processing circuit employing an improved composite current mirror circuit/device'1984 4,485,350'Variable electronic impedance circuit'1984 4,412,189'Switchable signal compressor/signal expander'1983 4,366,449'Integrated voltage control variable gain circuit and a signal transmission circuit using the same'1982 4,354,209'Recording/playing circuit'1982 4,286,227'Transistor amplifying circuit for preventing the operation of an amplifying transistor in the quasi-saturation region'1981 4,282,603'Synthesizer tuner'1981 4,264,439'Separation of anion and cation exchange resins in a mixed resin bed'1981 4,232,316'Aircraft landing-guiding apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2019Based in Funabashi, JP· patent location history

1981–1999Patents assigned to HITACHI LTD (16)· patent assignee history

1981–1983Based in Fussa, JP· patent location history

1984–1996Based in Takasaki, JP· patent location history

2004–2009Based in Tokyo, JP· patent location history

2008–2020Based in San Jose, CA, US· patent location history

2011–2020Patents assigned to RENESAS ELECTRONICS AMERICA INC (27)· patent assignee history

2012–2017Patents assigned to SATO TETSUO (9)· patent assignee history

2012–2017Patents assigned to KUDO RYOTARO (4)· patent assignee history

2013–2014Patents assigned to KAWANO TSUTOMU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RENESAS ELECTRONICS AMERICA INC	27	2011–2020
HITACHI LTD	16	1981–1999
SATO TETSUOself	9	2012–2017
KUDO RYOTARO	4	2012–2017
KAWANO TSUTOMU	3	2013–2014

Locations

Location	Patents	Span
San Jose, California, US	29	2008–2020
Takasaki, JP	10	1984–1996
Fussa, JP	5	1981–1983
Funabashi, JP	3	1980–2019
Tokyo, JP	3	2004–2009