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Inventor

Junji Nakatsuka

Inventor
Osaka, JP

Overview

38→
Patents
1995–2021
Patent span
Physics
Primary field (CPC G)

Patents· 38 as inventor

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

G01Rprimary
G01RMeasuring electric variables24%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms22%
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
H03MCoding6%
B60LPropulsion of electrically-propelled vehicles2%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%
H02JElectric power networks2%
H03FAmplifiers2%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%
PatentTitleYear
11,050,434Digital-to-analog converter202110,581,124Battery assembly controller which monitors voltages of secondary batteries and semiconductor integrated circuit used for the battery assembly controller202010,193,194Battery assembly controller which monitors voltages of secondary batteries20199,218,816'DAC device and audio system'20159,086,372'Biosensor, biosensor chip and biosensor device'20159,080,957'Biosensor, biosensor chip and biosensor device'20159,080,954'Biosensor, biosensor chip and biosensor device'20159,080,958'Biosensor, biosensor chip and biosensor device'20159,080,956'Biosensor, biosensor chip and biosensor device'20159,080,955'Biosensor, biosensor chip and biosensor device'20159,080,960'Biosensor, biosensor chip and biosensor device'20159,075,000'Biosensor, biosensor chip and biosensor device'20159,074,998'Biosensor, biosensor chip and biosensor device'20159,074,999'Biosensor, biosensor chip and biosensor device'20159,074,997'Biosensor, biosensor chip and biosensor device'20159,068,931'Biosensor, biosensor chip and biosensor device'20158,900,430'Biosensor, biosensor chip and biosensor device'20148,888,975'Biosensor, biosensor chip and biosensor device'20148,888,974'Biosensor, biosensor chip and biosensor device'20148,574,423'Biosensor, biosensor chip and biosensor device'20138,568,579'Biosensor, biosensor chip and biosensor device'20138,496,794'Biosensor, biosensor chip and biosensor device'20138,388,820'Biosensor, biosensor chip and biosensor device'20138,231,768'Biosensor, biosensor chip and biosensor device'20128,081,099'D/A converter, differential switch, semiconductor integrated circuit, video apparatus, and communication apparatus'20118,035,424'AC-coupled interface circuit'20117,852,158'Operational amplifier'20107,808,326'PLL circuit'20107,540,947'Biosensor, biosensor chip, and biosensor device'20097,336,123'Chopper amplifier circuit apparatus operable at low voltage utilizing switched operational amplifier'20086,732,334'Analog MOS semiconductor device, manufacturing method therefor, manufacturing program therefor, and program device therefor'20046,664,825'Reset function incorporated microcomputer'20036,473,018'Delta sigma analog-to-digital converter'20026,429,719'Signal processing circuit for charge generation type detection device'20026,400,644'Semiconductor control unit'20025,986,910'Voltage-current converter'19995,648,791'Liquid crystal display control system including storage means and D/A converters'19975,453,757'Liquid crystal display control system including storage means and D/A converters'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2004Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1995–2021Based in Osaka, JP· patent location history
2009–2015Patents assigned to PANASONIC CORP (11)· patent assignee history
2009–2013Based in Hirakata, JP· patent location history
2011–2013Patents assigned to NAKATSUKA JUNJI (6)· patent assignee history
2011Based in Osake, JP· patent location history
2012–2013Patents assigned to UENO HIROYA (5)· patent assignee history
2014–2015Patents assigned to PANASONIC HEALTHCARE HOLDINGS CO LTD (15)· patent assignee history
2014–2015Based in Kadoma, JP· patent location history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PANASONIC HEALTHCARE HOLDINGS CO LTD152014–2015
PANASONIC CORP112009–2015
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81995–2004
NAKATSUKA JUNJIself62011–2013
UENO HIROYA52012–2013
Locations
LocationPatentsSpan
Osaka, JP151995–2021
Kadoma, JP152014–2015
Hirakata, JP52009–2013
Tokyo, JP12019
Osake, JP12011