Inventor

Takeo Ono

Inventor

Sagamihara, JP

Overview

1981–2017

Patent span

Electricity

Primary field (CPC H)

Patents· 52 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps22%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%

C10GCracking hydrocarbon oils10%

G11CStatic stores10%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light10%

H04BTransmission7%

B82YSpecific uses or applications of nanostructures5%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

H04NPictorial communication, e.g. television4%

G02BOptical elements, systems or apparatus3%

PatentTitleYear

9,776,180'Hydrotreating catalyst for hydrocarbon oil and method for producing same, and hydrocarbon oil hydrotreating method using same'2017 9,463,452'Hydrotreating catalyst for hydrocarbon oil and method for producing same, and hydrocarbon oil hydrotreating method using same'2016 7,737,617'Image formation apparatus having getters spacers and wires'2010 7,705,527'Electron-emitting device, electron source, and image-forming apparatus'2010 7,604,928'Patterning method and methods for producing electro-optic device, color filter, illuminant, and thin-film transistor'2009 7,348,719'Electron-emitting devices provided with a deposit between electroconductive films made of a material different from that of the electroconductive films'2008 7,323,814'Image formation apparatus having fluorescent material and black material'2008 7,157,850'Image formation apparatus having electrically conductive spacer and external frame'2007 6,908,356'Electron-emitting device, electron source, and image-forming apparatus'2005 6,890,231'Electron-emitting device, electron source, and image forming apparatus'2005 6,879,096'Image formation apparatus'2005 6,802,752'Method of manufacturing electron emitting device'2004 6,794,813'Electron source, image forming apparatus, and manufacture method for electron source'2004 6,752,676'Methods for producing electron-emitting device, electron source, and image-forming apparatus'2004 6,626,719'Method of manufacturing electron-emitting device as well as electron source and image-forming apparatus'2003 6,614,167'Electron source, image forming apparatus, and manufacture method for electron source'2003 6,384,541'Electron-emitting device, electron source, and image-forming apparatus'2002 6,344,711'Electron-emitting device'2002 6,278,234'Image display apparatus with gettering substance provided electrically connected to wires'2001 6,169,356'Electron-emitting device, electron source and image-forming apparatus'2001 5,936,342'Image display apparatus and method of activating getter'1999 5,674,100'Method of manufacturing electron-emitting device'1997 5,654,814'Optical semiconductor apparatus and optical communication system using the apparatus'1997 5,594,577'Optical receiver and optical transmission system using the receiver'1997 5,593,335'Method of manufacturing an electron source'1997 5,586,131'Oscillation polarization mode selective semiconductor laser, light source apparatus and optical communication system using the laser'1996 5,569,934'Optical device with an asymmetric dual quantum well structure'1996 5,552,919'Tunable-filter control method, tunable-filter control apparatus and optical communication system using the same'1996 5,479,544'Optical receiver, optical semiconductor apparatus, and optical communication system utilizing the same'1995 5,440,581'Semiconductor optical filter and an optical communication system using the same'1995 5,334,854'Optical semiconductor device with wavelength selectivity and method for amplifying or emitting the light using the same'1994 5,179,532'Transfering bloch lines using perpendicular and in-plane pulse magnetic fields'1993 5,172,336'Method of transferring Bloch lines'1992 5,155,736'Semiconductor laser element capable of changing emission wavelength, and method of driving the same'1992 5,138,571'Method for transferring a bloch line'1992 5,119,328'Solid state memory device'1992 5,105,383'Method for detecting the presence of Bloch lines in a magnetic wall'1992 5,088,097'Semiconductor laser element capable of changing emission wavelength, and method of driving the same'1992 5,086,409'Recording and/or reproducing method of Bloch line memory'1992 5,072,421'Magnetic memory and recording-reproducing method for the magnetic memory'1991 5,065,378'System for reproducing a signal recorded in a magnetic recording medium by using a magnetostatic wave'1991 4,974,201'Process for transferring bloch lines formed in a magnetic wall of a magnetic domain, and a magnetic memory apparatus for recording and reproduction of information by transferring bloch lines in utilizing said transferring process'1990 4,974,200'Method of transferring Bloch lines in the domain wall of a magnetic domain, and a magnetic memory using the method'1990 4,855,123'Method of oxidizing sulfide-containing liquor'1989 4,444,655'Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor'1984 4,439,312'Catalyst for hydrotreating heavy hydrocarbon oils, method of preparing same and process for hydrotreating heavy hydrocarbon oils'1984 4,424,142'Catalyst for hydrotreatment of heavy hydrocarbon oils'1984 4,422,960'Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes'1983 4,399,026'Process for hydrotreating heavy hydrocarbon oils, catalysts therefor, and a method of preparing such catalysts'1983 4,367,165'Catalyst for hydrotreating heavy hydrocarbon oils and method of preparing same'1983 4,367,164'Catalysts for hydrotreating heavy hydrocarbon oils and a method of preparing such catalysts'1983 4,248,852'Process for the production of alumina suitable for use as a catalyst carrier'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to CHIYODA CHEM ENG CONSTRUCT CO (7)· patent assignee history

1981–2017Based in Kawasaki, JP· patent location history

1984–2017Patents assigned to ONO TAKEO (2)· patent assignee history

1984Patents assigned to ASAOKA SACHIO (1)· patent assignee history

1984–2010Based in Kanagawa, JP· patent location history

1990–2010Patents assigned to CANON KK (40)· patent assignee history

1990–1993Based in Atsugi, JP· patent location history

1992–2009Based in Sagamihara, JP· patent location history

1997–2004Based in Machida, JP· patent location history

2016–2017Patents assigned to CHIYODA CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	40	1990–2010
CHIYODA CHEM ENG CONSTRUCT CO	7	1981–1984
CHIYODA CORP	2	2016–2017
ONO TAKEOself	2	1984–2017
ASAOKA SACHIO	1	1984

Locations

Location	Patents	Span
Sagamihara, JP	14	1992–2009
Kawasaki, JP	10	1981–2017
Machida, JP	7	1997–2004
Kanagawa, JP	6	1984–2010
Atsugi, JP	6	1990–1993