Inventor

ONO TAKEO

JP53 patents

⚠️ This page may combine multiple inventors who share the name “ONO TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ONO TAKEO

CANON KK

Electron-emitting device, electron source and image-forming apparatus

Image formation apparatus

Method of manufacturing electron-emitting device as well as electron source and image-forming apparatus

Image formation apparatus having getters spacers and wires

Image formation apparatus having electrically conductive spacer and external frame

Electron-emitting device, electron source, and image-forming apparatus

Electron-emitting device

Image display apparatus and method of activating getter

Optical receiver and optical transmission system using the receiver

Method of manufacturing an electron source

Oscillation polarization mode selective semiconductor laser, light source apparatus and optical communication system using the laser

Semiconductor laser element capable of changing emission wavelength, and method of driving the same

Image formation apparatus having fluorescent material and black material

Image display apparatus with gettering substance provided electrically connected to wires

Method of manufacturing electron-emitting device

Optical semiconductor apparatus and optical communication system using the apparatus

Tunable-filter control method, tunable-filter control apparatus and optical communication system using the same

Optical semiconductor device with wavelength selectivity and method for amplifying or emitting the light using the same

Optical device with an asymmetric dual quantum well structure

Electron-emitting device, electron source, and image forming apparatus

Method of manufacturing electron emitting device

Methods for producing electron-emitting device, electron source, and image-forming apparatus

Optical receiver, optical semiconductor apparatus, and optical communication system utilizing the same

Solid state memory device

Method of transferring Bloch lines in the domain wall of a magnetic domain, and a magnetic memory using the method

Electron-emitting device, electron source, and image-forming apparatus

Electron-emitting device, electron source, and image-forming apparatus

Semiconductor optical filter and an optical communication system using the same

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

Method for transferring a bloch line

Method for detecting the presence of bloch lines in a magnetic wall

Recording and/or reproducing method of bloch line memory

Magnetic memory and recording-reproducing method for the magnetic memory

Electron source, image forming apparatus, and manufacture method for electron source

Electron source, image forming apparatus, and manufacture method for electron source

Electron-emitting devices provided with a deposit between electroconductive films made of a material different from that of the electroconductive films

Transfering bloch lines using perpendicular and in-plane pulse magnetic fields

Method of transferring Bloch lines

CHIYODA CHEM ENG CONSTRUCT CO

Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes

Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor

Catalyst for hydrotreatment of heavy hydrocarbon oils

Catalysts for hydrotreating heavy hydrocarbon oils and a method of preparing such catalysts

Process for the production of alumina suitable for use as a catalyst carrier

Catalyst for hydrotreating heavy hydrocarbon oils and method of preparing same

Process for hydrotreating heavy hydrocarbon oils, catalysts therefor, and a method of preparing such catalysts

IBM

Semiconductor laser element capable of changing emission wavelength, and method of driving the same

MITSUBISHI PAPER MILLS LTD

Method of oxidizing sulfide-containing liquor

INOUE SHINICHI

Hydrotreating catalyst for hydrocarbon oil and method for producing same, and hydrocarbon oil hydrotreating method using same

CHIYODA CORP

Hydrotreating catalyst for hydrocarbon oil and method for producing same, and hydrocarbon oil hydrotreating method using same

ASAOKA SACHIO

Catalyst for hydrotreating heavy hydrocarbon oils, method of preparing same and process for hydrotreating heavy hydrocarbon oils