Inventor

Takashi Ohtsuka

Inventor

Toyonaka, JP

Overview

60→

Patents

1988–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 60 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices11%

G11CStatic stores10%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

H10BElectronic memory devices8%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules6%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%

E04DRoof coverings4%

F24SSolar heat collectors4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

PatentTitleYear

10,644,347Negative electrode active material and lithium ion secondary battery using the same2020 10,426,032Multilayer wiring structure and its manufacturing method2019 8,419,295'Photoelectric conversion/connection device'2013 8,351,185'Electronic component and manufacturing method thereof'2013 8,345,424'Optical interconnection device'2013 8,324,509'Electronic component and manufacturing method thereof'2012 8,297,855'Optical connector'2012 7,964,319'Fuel cell in which proton conductive gel is used and manufacturing method thereof, and electric power generation method'2011 7,834,419'Semiconductor device and method for fabricating the same'2010 7,763,922'Semiconductor memory and method for manufacturing the same'2010 7,394,090'Non-volatile memory and the fabrication method'2008 7,291,857'Non-volatile memory'2007 7,232,703'Non-volatile memory and the fabrication method'2007 7,206,217'Non-volatile flip flop'2007 7,135,736'Semiconductor device'2006 7,022,530'Semiconductor device and method for fabricating the same'2006 7,023,014'Non-volatile memory and fabrication method thereof'2006 7,002,388'Nonvolatile flip-flop circuit and method of driving the same'2006 6,990,006'Non-volatile memory cell and a method of controlling the same'2006 6,980,043'Ferroelectric element and a ferroelectric gate device using the same'2005 6,949,780'Semiconductor device'2005 6,940,740'Multilevel semiconductor memory device and method for driving the same as a neuron element in a neural network computer'2005 6,862,226'Method of driving a non-volatile flip-flop circuit using variable resistor elements'2005 6,859,381'Semiconductor device and method for driving the same'2005 6,859,088'Ferroelectric element and a ferroelectric gate device using the same'2005 6,847,071'Semiconductor device'2005 6,844,564'Non-volatile memory'2005 6,844,582'Semiconductor device and learning method thereof'2005 6,845,032'Non-volatile latch circuit and a driving method thereof'2005 6,781,865'Nonvolatile selector, and integrated circuit device'2004 6,720,288'Herbicidal compositions and method of using the same'2004 6,720,596'Semiconductor device and method for driving the same'2004 6,716,663'Method for removing foreign matter, method for forming film, semiconductor device and film forming apparatus'2004 6,713,316'Method for removing foreign matter, method for forming film, semiconductor device and film forming apparatus'2004 6,639,421'Measuring apparatus and method for measuring characteristic of solar cell'2003 6,541,278'Method of forming film for semiconductor device with supercritical fluid'2003 6,443,191'Vacuum processing methods'2002 6,420,645'Roof with plurality of solar cell modules having filler layer of varying thickness and manufacturing method thereof'2002 6,350,497'Plasma processing method'2002 6,336,304'Horizontal-roofing roof and mounting method thereof'2002 6,285,051'Semiconductor memory device and method for fabricating the same'2001 6,269,596'Roof member and mounting method thereof'2001 6,238,966'Semiconductor memory device and method for fabricating the same'2001 6,191,054'Method for forming film and method for fabricating semiconductor device'2001 6,169,414'Measuring apparatus and method for measuring characteristic of solar cell'2001 6,155,201'Plasma processing apparatus and plasma processing method'2000 6,155,006'Horizontal-roofing and mounting method thereof'2000 6,128,868'Combination solar battery and roof member, and mounting method thereof'2000 6,107,120'Method of making semiconductor devices having protruding contacts'2000 6,008,450'Solar cell module having a back face reinforcing member covered by a resin and a process for the production of said solar cell module'1999 5,952,718'Semiconductor devices having protruding contacts'1999 5,930,599'Semiconductor device and method of manufacturing the same'1999 5,849,107'Solar battery module and passive solar system using same'1998 5,843,868'Pryidine-2,3-dicarboxylic acid diamide derivatives and herbicides comprising said derivatives as active ingredient'1998 5,782,994'Solar cell module provided with means for forming a display pattern'1998 5,773,896'Semiconductor device having offsetchips'1998 5,651,837'Solar cell module and manufacturing method thereof'1997 5,589,006'Solar battery module and passive solar system using same'1996 4,802,035'Video cassette auto changer'1989 4,772,968'Random-access video tape cassette storage and playback apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2003Patents assigned to CANON KK (15)· patent assignee history

1996–1999Based in Tsuzuki-gun, JP· patent location history

1998–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (30)· patent assignee history

1998–2011Based in Osaka, JP· patent location history

1999–2008Based in Toyonaka, JP· patent location history

2000–2003Based in Kyotanabe, JP· patent location history

2012–2013Patents assigned to OHTSUKA TAKASHI (5)· patent assignee history

2012–2020Patents assigned to NEC CORP (4)· patent assignee history

2012–2013Patents assigned to KOUTA HIKARU (3)· patent assignee history

2012–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	30	1998–2008
CANON KK	15	1996–2003
OHTSUKA TAKASHIself	5	2012–2013
NEC CORP	4	2012–2020
KOUTA HIKARU	3	2012–2013

Locations

Location	Patents	Span
Toyonaka, JP	20	1999–2008
Osaka, JP	13	1998–2011
Kyotanabe, JP	8	2000–2003
Tokyo, JP	7	2012–2020
Tsuzuki-gun, JP	4	1996–1999