Inventor

Hajime Takeuchi

Inventor

Yokohama, JP

Overview

1984–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 84 as inventor

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

H10Hprimary

H10HInorganic light-emitting semiconductor devices having potential barriers8%

B25DPercussive tools8%

C09KMaterials for miscellaneous applications, not provided for elsewhere7%

Y10TTechnical subjects covered by former us classification7%

G11BInformation storage based on relative movement between record carrier and transducer6%

B25FCombination or multi-purpose tools not otherwise provided for5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%

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

PatentTitleYear

11,072,061Rotary tool2021 10,744,634Impact tool2020 10,562,167Striking tool2020 10,500,706Power tool2019 9,999,967Striking tool2018 9,956,659Dust collecting device and power tool having the same2018 9,950,415Impact tool2018 9,950,418Impact tool2018 9,746,789'Exposure apparatus, and method of manufacturing article'2017 9,660,149'Phosphor and LED light emitting device using the same'2017 9,573,262'Impact tool'2017 9,505,118'Striking tool'2016 9,463,563'Impact tool'2016 9,169,436'Phosphor and LED light emitting device using the same'2015 9,114,491'Driving source supply system of power tool and attachment device'2015 9,039,218'White LED lamp, backlight, light emitting device, display device and illumination device'2015 9,022,702'Dust collecting attachment'2015 8,997,887'Power tool'2015 8,896,004'White LED, backlight using the same, and liquid crystal display device'2014 8,884,512'White light emitting lamp and white LED lighting apparatus including the same'2014 8,872,421'White LED, backlight using the same, and liquid crystal display device'2014 8,770,315'Impact tool'2014 8,662,196'Power tool'2014 8,632,202'White LED, backlight using same, and liquid crystal display device conforming to EBU standard'2014 8,598,618'White light emitting device, backlight, liquid crystal display device, and illuminating device'2013 8,541,798'Semiconductor light emitting device, and backlight and display device comprising the semiconductor light emitting device'2013 8,505,647'Hand-held tool'2013 8,487,330'Phosphor and LED light-emitting device using the same'2013 8,471,283'White LED lamp, backlight, light emitting device, display device and illumination device'2013 8,461,756'Linear white light source, and backlight and liquid crystal display device using the same'2013 8,409,754'Positive electrode active material for secondary cell and nonaqueous electrolyte secondary cell using the same, and method for analysis of positive electrode active material for secondary cell'2013 8,395,725'Light emitting module, backlight using the same, and liquid crystal display device'2013 8,344,407'White light source, backlight, liquid crystal display apparatus, and illuminating apparatus'2013 8,286,724'Impact tool'2012 8,288,937'White LED, and backlight and liquid crystal display device using the same'2012 8,186,453'Power tool'2012 8,174,180'Light-emitting device having scattering reflector with preset square average inclination'2012 8,167,054'Power tool'2012 8,087,474'Hammer drill'2012 8,032,990'Handles for hand-held tools'2011 7,961,762'White light-emitting lamp and illuminating device using the same'2011 7,935,975'White LED lamp and backlight using the same, and liquid crystal display device using the backlight'2011 7,936,418'White light-emitting device and manufacturing method thereof, and backlight and liquid crystal display device using the same'2011 7,709,855'Light-emitting device, backlight using same, and liquid crystal display'2010 7,649,310'White LED, backlight using same and liquid crystal display'2010 7,639,318'Backlight and liquid crystal display using same'2009 7,241,488'Decorative paper comprising a yellow cellulose-based substrate'2007 7,160,610'Decorative material'2007 6,905,501'Bone connecting device and method of manufacturing the same'2005 6,790,525'Decorative material'2004 6,761,979'Decorative sheet and decorative material'2004 6,753,112'Positive electrode active material and non-aqueous secondary battery using the same'2004 6,686,093'Positive electrode active material for nonaqueous electrolytic solution secondary battery and nonaqueous electrolytic solution secondary battery therewith'2004 6,558,799'Decorative material'2003 6,458,487'Positive active material and non-aqueous secondary cell made by using the same'2002 6,416,866'Molded article and surface covering sheet therefor'2002 5,910,825'Video signal transmitting apparatus with attendant data insertion and extraction functions'1999 5,822,019'Video signal transmitting apparatus with attendant data insertion and extraction functions'1998 5,764,356'Trace liquid detecting and analyzing device'1998 5,513,347'Data transfer system'1996 5,470,645'Magnetic recording medium having two magnetic layers comprising magnetic powder and binder'1995 5,418,077'Magnetic records medium having multiple magnetic layers for recording in long and short wavelength'1995 5,418,622'Apparatus for recording and reproducing audio and video signals in accordance with a broadcast schedule'1995 5,278,551'Meter reading system'1994 5,100,722'Glass fiber-reinforced resin composite materials'1992 5,087,501'Magnetic recording medium'1992 5,074,141'Bolster apparatus for press-forming workpieces'1991 5,065,003'Portable data input/transmission apparatus'1991 5,023,438'Portable data input apparatus with different display modes'1991 5,008,665'Measuring device having transmitter'1991 4,975,322'Magnetic recording medium'1990 4,973,957'Data collecting system'1990 4,930,096'Data-transmitting apparatus having connecting plug'1990 4,924,482'Data-transmitting apparatus'1990 4,910,753'FSK demodulating device'1990 4,897,857'FSK demodulating device'1990 4,880,666'Method of manufacturing magnetic recording medium'1989 4,819,087'System for precisely editing audio signals on a videotape'1989 4,714,654'Magnetic recording medium'1987 4,695,513'Magnetic recording medium'1987 4,578,313'Powder for magnetic recording media and process for manufacturing the same'1986 4,550,349'Playback speed controller for video tape recorder'1985 4,539,603'Video signal reproducing device'1985 4,459,620'Color video signal reproducing apparatus'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2017Based in Yokohama, JP· patent location history

1985–2015Based in Kanagawa, JP· patent location history

1987–2017Patents assigned to TOSHIBA KK (33)· patent assignee history

1990–2007Based in Tokyo, JP· patent location history

2009–2017Patents assigned to TOSHIBA MATERIALS CO LTD (20)· patent assignee history

2011–2021Patents assigned to MAKITA CORP (22)· patent assignee history

2011–2021Based in Anjo, JP· patent location history

2012–2018Patents assigned to TAKEUCHI HAJIME (28)· patent assignee history

2012–2015Patents assigned to SHIRAKAWA YASUHIRO (16)· patent assignee history

2017Based in Utsunomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	33	1987–2017
TAKEUCHI HAJIMEself	28	2012–2018
MAKITA CORP	22	2011–2021
TOSHIBA MATERIALS CO LTD	20	2009–2017
SHIRAKAWA YASUHIRO	16	2012–2015

Locations

Location	Patents	Span
Yokohama, JP	31	1984–2017
Anjo, JP	22	2011–2021
Tokyo, JP	16	1990–2007
Kanagawa, JP	10	1985–2015
Utsunomiya, JP	1	2017