Inventor

Kazuhiro Okada

Inventor

Ageo, JP

Overview

1989–2021

Patent span

Physics

Primary field (CPC G)

Patents· 139 as inventor

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

G01Lprimary

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure21%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock20%

G01CMeasuring distances, levels or bearings8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

A61KPreparations for medical, dental or toiletry purposes4%

A61QSpecific use of cosmetics or similar toiletry preparations4%

B81BMicrostructural devices or systems, e.g. micromechanical devices4%

H02NElectric machines not otherwise provided for2%

H04LTransmission of digital information, e.g. telegraphic communication2%

PatentTitleYear

11,036,231In-vehicle device and estimation method2021 10,775,250Torque sensor2020 10,756,651Power generating element and power generating device2020 10,734,922Power generating element and power generating device2020 10,732,056Force sensor2020 10,633,480Flame-retardant urethane resin composition2020 10,627,296Force sensor2020 10,620,320Position estimation system and estimation method2020 10,571,346Force sensor2020 10,564,059Force sensor2020 10,557,766Torque sensor for detecting occurrence of metal fatigue in an elastic body2020 10,557,764Torque sensor which detects torque around a predetermined rotation axis2020 10,547,253Power generating element2020 10,488,280Highly sensitive capacitive force sensor that is minimally affected by temperature changes and in-phase noise2019 10,481,391Movable reflective element and two-dimensional scanning device2019 10,473,917Movable reflection device and reflection surface drive system utilizing same2019 10,468,997Power generating element2019 10,416,030Force sensor2019 10,361,643Power generating element2019 10,280,275In-situ foaming system for forming flame-retardant polyurethane foam in situ2019 10,284,119Power generating element2019 10,226,649Hair dyeing or bleaching method2019 10,209,151Torque sensor2019 10,177,689Power generating element2019 9,995,644Force sensor and structure body used therein2018 9,733,092'Vehicle position detection device and program'2017 9,557,180'Vehicle position detection device and program'2017 9,383,277'Force sensor'2016 9,057,781'Position estimation device and position estimation method'2015 8,966,996'Force sensor'2015 8,819,147'Electronic mail receiving apparatus'2014 8,669,877'Oil level inspection system for railroad car truck using image processing'2014 8,667,854'Torque sensor'2014 8,572,186'Gateway device, method for controlling the same, and program storage medium arranged to relay transmission and reception of E-mails'2013 8,529,638'Head hair dyeing composition'2013 8,468,888'MEMS sensor capable of sensing acceleration and pressure'2013 8,408,075'Force detection device'2013 8,394,151'Head hair dyeing method'2013 8,297,013'Fireproof resin sash'2012 8,301,369'Position detection apparatus and position detection program'2012 8,277,784'Hair cosmetic product'2012 8,246,936'Hair cosmetic product'2012 8,176,315'Gateway device, controlling method of the same, and program record medium storing controlling method'2012 8,158,112'Hair cosmetic product'2012 8,153,108'Hair cosmetic product'2012 8,152,858'Head hair dyeing method'2012 8,054,437'Large substrate, method of manufacturing liquid crystal device from the same, and liquid crystal device obtained'2011 8,025,702'Two-part hairdye composition'2011 7,955,400'Two-part hair dye composition'2011 7,930,541'E-mail communication apparatus'2011 7,900,513'Multi-axial angular velocity sensor'2011 7,882,740'Sensor for detecting acceleration and angular velocity'2011 7,578,162'Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing this apparatus'2009 7,533,582'Force detector and acceleration detector and method of manufacturing the same'2009 7,391,411'Capacitance type sensor'2008 7,363,814'Multi-axial angular velocity sensor'2008 7,360,455'Force detector and acceleration detector and method of manufacturing the same'2008 7,231,802'Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing the apparatus'2007 7,219,561'Force-detecting device'2007 7,152,485'Acceleration detector'2006 7,123,028'Force detector'2006 7,121,147'Force detection device'2006 7,075,527'Input device of rotational operation quantity and operating device using this'2006 7,059,188'Angular velocity sensor'2006 7,027,117'Liquid crystal display apparatus'2006 6,990,867'Force detection device'2006 6,941,810'Angular velocity sensor'2005 6,940,495'Variable capacitance type input device'2005 6,920,788'Acceleration sensor'2005 6,915,709'Force detection device'2005 6,894,482'Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing this apparatus'2005 6,865,943'Angular velocity sensor'2005 6,864,677'Method of testing a sensor'2005 6,859,048'Force detector'2005 6,809,529'Force detector'2004 6,779,408'Force detector'2004 6,772,632'Acceleration sensor and manufacturing method for the same'2004 6,716,253'Force detector'2004 6,530,283'Force sensor'2003 6,512,364'Testing sensor'2003 6,477,903'Force detector and acceleration detector and method of manufacturing the same'2002 6,474,133'Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing this apparatus'2002 6,472,070'Fire-resistant coating material'2002 6,378,381'Sensor using capacitance element'2002 6,373,265'Electrostatic capacitive touch sensor'2002 6,367,326'Angular velocity sensor'2002 6,314,823'Force detector and acceleration detector and method of manufacturing the same'2001 6,282,956'Multi-axial angular velocity sensor'2001 6,269,697'Angular velocity sensor using piezoelectric element'2001 6,205,856'Angular velocity sensor'2001 6,206,935'Hair dyeing method'2001 6,185,814'Method of manufacturing a sensor detecting a physical action as an applied force'2001 6,158,291'Force detector and acceleration detector'2000 6,159,761'Method of manufacturing a force sensor having an electrode which changes resistance or electrostatic capacitance in response to force'2000 6,102,980'Dust core, ferromagnetic powder composition therefor, and method of making'2000 6,101,244'Electronic mail-capable communication terminal device and electronic mail communication method'2000 6,101,548'Communications terminal device with electronic mail function'2000 6,098,461'Acceleration sensor using piezoelectric element'2000 6,076,401'Angular velocity sensor'2000 6,053,057'Force detector'2000 6,003,371'Angular velocity sensor'1999 5,987,985'Angular velocity sensor'1999 5,962,787'Acceleration sensor'1999 5,856,620'Acceleration sensor'1999 5,850,040'Multiaxial acceleration sensor using a piezoelectric element'1998 5,838,668'Satellite broadcast communications system'1998 5,831,163'Multi-axial angular velocity sensor'1998 5,811,693'Force detector and acceleration detector and method of manufacturing the same'1998 5,800,636'Dust core, iron powder therefor and method of making'1998 5,780,749'Sensor using piezoelectric elements'1998 5,744,718'Sensor using a resistance element'1998 5,702,749'Process for preparing powdered seasonings'1997 5,682,000'Sensor using piezoelectric elements'1997 5,668,318'Angular velocity sensor'1997 5,646,346'Multi-axial angular velocity sensor'1997 5,639,973'Force detector'1997 5,571,972'Sensor using piezoelectric elements'1996 5,531,002'Method of manufacturing physical quantity detector'1996 5,531,092'Device for moving a suspended weight body'1996 5,497,668'Method of testing the operation of an apparatus for detecting acceleration'1996 5,492,020'Detector for a physical quantity having a self-testing function'1996 5,437,196'Detector for force/acceleration/magnetism with respect to components in multi-dimensional directions'1995 5,421,213'Multi-dimensional force detector'1995 5,406,848'Multi-dimensional and acceleration detector'1995 5,392,658'Detector for force, acceleration or magnetism with respect to components in multi-dimensional directions'1995 5,365,799'Sensor for force/acceleration/magnetism using piezoelectric element'1994 5,343,765'Detector for force, acceleration or magnetism with respect to components in multi-dimensional directions'1994 5,295,386'Apparatus for detecting acceleration and method for testing this apparatus'1994 5,263,375'Contact detector using resistance elements and its application'1993 5,182,515'Detector for magnetism using a resistance element'1993 5,092,645'Robotic gripper having strain sensors formed on a semiconductor substrate'1992 5,080,421'Apparatus for preventing discharge of fuel vapor'1992 5,067,468'Apparatus for preventing discharge of fuel vapor'1991 5,035,148'Force detector using resistance elements'1991 5,014,415'Manufacturing method of a detector using resistance elements'1991 4,969,366'Moment detector using resistance element'1990 4,967,605'Detector for force and acceleration using resistance element'1990 4,905,523'Force detector and moment detector using resistance element'1990 4,866,379'Tilt sensor having central first bottom surface and second contiguous bottom surface at an angle thereto'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2019Patents assigned to WAKO KK (38)· patent assignee history

1990–2019Based in Ageo, JP· patent location history

1994–2019Patents assigned to OKADA KAZUHIRO (30)· patent assignee history

1994–2009Based in Saitama-shi, JP· patent location history

1997–2021Based in Saitama, JP· patent location history

2001–2019Patents assigned to KAO CORP (11)· patent assignee history

2001–2019Based in Tokyo, JP· patent location history

2012–2019Patents assigned to FUJINUMA HIROYUKI (7)· patent assignee history

2012–2017Based in Ebina, JP· patent location history

2014–2020Patents assigned to TRI FORCE MAN CORP (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WAKO KK	38	1990–2019
OKADA KAZUHIROself	30	1994–2019
TRI FORCE MAN CORP	16	2014–2020
KAO CORP	11	2001–2019
FUJINUMA HIROYUKI	7	2012–2019

Locations

Location	Patents	Span
Ageo, JP	40	1990–2019
Saitama-shi, JP	36	1994–2009
Saitama, JP	28	1997–2021
Tokyo, JP	11	2001–2019
Ebina, JP	4	2012–2017