Hitoshi Oda
31Patents
10h-index
45Co-inventors
75Inventor score
Filing activity: Jul 26, 1982 → Aug 3, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6726520B2 | Apparatus for producing electron source | Electricity | 28 | Expired |
| US5371388A | Electron wave interference devices, methods for modulating an interference current and electron wave branching and/or combining devices and methods therefor | Performing Operations; Transporting | 27 | Expired |
| US5333216A | Optical device used wavelength selective photocoupler | Electricity | 24 | Expired |
| US5866988A | Electron beam apparatus and method of driving the same | Electricity | 22 | Expired |
| US4906894A | Photoelectron beam converting device and method of driving the same | Electricity | 20 | Expired |
| US6492769B1 | Electron emitting device, electron source, image forming apparatus and producing methods of them | Electricity | 17 | Expired |
| US5633512A | Semiconductor device for varying the mobility of electrons by light irradiation | Electricity | 16 | Expired |
| US5714106A | Process of producing a device including a molded-in insert and fluoroplastic surfacing material | Performing Operations; Transporting | 16 | Expired |
| US6416374B1 | Electron source manufacturing method, and image forming apparatus method | Electricity | 15 | Expired |
| US5245465A | Optical polarization-state converting apparatus for use as isolator, modulator and the like | Physics | 13 | Expired |
| US5270990A | Tracking error signal detecting apparatus using an electron beam and apparatus for effecting recording/reproduction of information by the utilization of a plurality of electron beams | Physics | 10 | Expired |
| US5101469A | Light isolator of waveguide type | Electricity | 9 | Expired |
| US6827619B2 | Electron emitting device, electron source, image forming apparatus and producing methods of them | Electricity | 9 | Expired |
| US5229878A | Method and apparatus for modulating light using semiconductor element having quantum well structure | Performing Operations; Transporting | 9 | Expired |
| US5153688A | Method and device for controlling interference of electron waves by light in which a transverse magnetic wave is applied | Performing Operations; Transporting | 8 | Expired |
| US4587178A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5119328A | Solid state memory device | Physics | 5 | Expired |
| US7189427B2 | Manufacturing method of an image forming apparatus | Electricity | 5 | Expired |
| US5173955A | Magnetooptic device and its driving method | Electricity | 5 | Expired |
| US4974200A | Method of transferring Bloch lines in the domain wall of a magnetic domain, and a magnetic memory using the method | Physics | 4 | Expired |
| US6184626A | Electron beam apparatus and method of driving the same | Electricity | 3 | Expired |
| US5072421A | Magnetic memory and recording-reproducing method for the magnetic memory | Physics | 3 | Expired |
| US5105383A | Method for detecting the presence of Bloch lines in a magnetic wall | Physics | 2 | Expired |
| US7405732B2 | Semiconductor integrated circuit, liquid crystal drive device, and liquid crystal display system | Physics | 2 | Expired |
| US4974201A | 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 | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.