Inventor

Yuji Ariyoshi

Inventor

Tokyo, JP

Overview

1997–2020

Patent span

Physics

Primary field (CPC G)

Patents· 65 as inventor

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

G01Fprimary

G01FMeasuring volume, volume flow, mass flow or liquid level41%

G11BInformation storage based on relative movement between record carrier and transducer34%

F02DControlling combustion engines9%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%

H05KPrinted circuits2%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof1%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates1%

F16FSprings1%

G01DMeasuring not specially adapted for a specific variable1%

G01MTesting static or dynamic balance of machines or structures1%

PatentTitleYear

10,753,300Flow rate detector2020 10,724,881Thermal air flow meter with adjustment of pulsation correction function2020 10,712,188Flow measuring device2020 10,612,955Flow measuring device having plurality of bending portions2020 10,365,142Flow rate measurement device2019 10,006,792Thermal-type airflow meter2018 10,008,234Disc transfer device2018 9,869,573'Physical amount measurement apparatus mounted integrally with flow rate measurement apparatus, and physical amount measurement method'2018 9,810,561'Flow rate measuring apparatus'2017 9,625,292'Flow rate measurement device'2017 9,506,794'Flow rate measuring device'2016 9,400,198'Flow sensor and control system of internal combustion engine'2016 9,390,747'Disc device'2016 9,368,153'Disc cartridge and disc device'2016 9,361,930'Disc conveying device and disc conveying method'2016 9,328,686'Flow measuring device'2016 9,234,817'Flow rate measuring apparatus'2016 9,165,592'Disc device'2015 9,123,379'Disk'2015 9,116,028'Thermal flow sensor and method of generating flow rate detection signal by the thermal flow sensor'2015 8,899,103'Thermal air flow meter'2014 8,881,184'Disc device'2014 8,782,677'Disc device'2014 8,752,080'Turntable having elastic layer with high contact pressure portion'2014 8,511,158'Flow rate measuring apparatus having stress reducing means'2013 8,429,680'Disk device including disk conveyance mechanism and disk installment mechanism'2013 8,413,176'Disk device having clamper lifters with different start of movement timing'2013 8,347,707'Flow rate measuring apparatus'2013 8,351,211'Attachment structure of an attached-plate of a substrate'2013 8,344,275'Switching device'2013 8,220,326'Flow sensor device having a gap formed between a sensor device and an engaging portion and a pooling portion formed in the gap'2012 8,191,417'Flow rate measuring apparatus including a recess for changing air flow direction'2012 8,181,514'Flow rate measuring apparatus including a recess for changing air flow direction'2012 8,037,751'Flow rate measuring apparatus'2011 7,942,052'Flow rate measuring apparatus including a recess for changing air flow direction'2011 7,926,343'Flow rate measuring device'2011 7,716,692'Disc device with particular loading mechanism'2010 7,658,102'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2010 7,574,909'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2009 7,568,388'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2009 7,568,387'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2009 7,562,569'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2009 7,540,002'Disc loading device with separate conveying units for the disc and the disc cartridge containing the disc'2009 7,487,674'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2009 7,481,574'Thermal flow rate sensor supplying digital output'2009 7,424,728'Double-sided recording/reproducing disk drive'2008 7,325,449'Thermal flow sensor having an amplifier section for adjusting the temperature of the heating element'2008 7,251,817'Disk transfer device'2007 7,213,252'Disk transfer device including disk support member provided with a first and second disk support members for supporting different size disks'2007 7,205,761'Rotation state detecting device and rotation state detecting method'2007 6,918,130'Optical disk unit'2005 6,886,176'Optical disk drive including a first base portion and a movable second base portion'2005 6,871,536'Temperature averaging fluid flow measuring apparatus'2005 6,813,772'Optical disk drive'2004 6,745,625'Fluid flow rate measuring apparatus'2004 6,741,536'Optical disk drive including a first base portion and a movable second base portion'2004 6,684,693'Heat generation type flow sensor'2004 6,529,468'Optical disk driving device having a clamper for correcting warpage of an optical disk'2003 6,388,835'Disk drive comprising a holder unit and chassis unit'2002 6,349,084'Flexible support device'2002 6,344,945'Disk drive apparatus having a lock member for preventing erroneous disk cartridge insertion'2002 6,335,914'Optical disc device'2002 6,172,846'Disk drive'2001 5,751,687'Disk loading apparatus'1998 5,636,199'Automatic disc changer for retrieving a lowermost disc from a stack of stored discs and returning the disc to the top of the stack'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history

1997–2009Based in Toyonaka, JP· patent location history

2003–2018Based in Osaka, JP· patent location history

2004–2020Patents assigned to MITSUBISHI ELECTRIC CORP (35)· patent assignee history

2004–2020Based in Tokyo, JP· patent location history

2009–2015Patents assigned to PANASONIC CORP (10)· patent assignee history

2011–2016Based in Chiyoda-ku, JP· patent location history

2012–2015Patents assigned to ARIYOSHI YUJI (11)· patent assignee history

2015–2018Patents assigned to PANASONIC IP MAN CO LTD (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	35	2004–2020
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	15	1997–2008
ARIYOSHI YUJIself	11	2012–2015
PANASONIC CORP	10	2009–2015
PANASONIC IP MAN CO LTD	6	2015–2018

Locations

Location	Patents	Span
Tokyo, JP	26	2004–2020
Osaka, JP	18	2003–2018
Toyonaka, JP	12	1997–2009
Chiyoda-ku, JP	9	2011–2016