Inventor

FUKUZAWA TADASHI

JP39 patents

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

FUKUZAWA TADASHI

HITACHI LTD

Semiconductor device

Optical quantum interference device/optical computer and method of modulating light using same

Optical quantum interference device and method of modulating light using same

Semiconductor device having a quantum wire and a method of producing the same

Waveguide optical switches

Distributed-feedback semiconductor laser device

Micro fabrication process for semiconductor structure using coherent electron beams

Optical modulating device utilizing polariton substance

Semiconductor laser having a multiple quantum well structure doped with impurities

Fabrication process of semiconductor lasers

Multi quantum well laser with parallel injection

Distributed feedback semiconductor laser

Semiconductor laser device

Semiconductor laser device

Radiographic phosphor screen

Semiconductor optical device

Semiconductor laser having quantum well active region doped with impurities

Optical modulator

Semiconductor laser device and method of fabricating the same

Semiconductor light emitting element

Light emitting devices based on the excitation of phosphor screens

Light emitting device having luminescent screen with self activated blue light emitting phosphor

High speed switching field effect transistor

IBM

Energy-efficient full-color liquid crystal display

Fabrication method for quantum devices in compound semiconductor layers

Optical transmission substrate, method for manufacturing optical transmission substrate and optoelectronic integrated circuit

Coupled quantum well tunable laser

Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism

Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism

Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism

Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism

Liquid crystal display device having red, green, and blue fluorescent lamps having a particular phosphor composition or a double tube lamp

Flare-prevention optical system, flare-prevention method, and flying height tester

Fabrication of quantum devices in compound semiconductor layers and resulting structures

Nonlinear optical device and method of manufacturing same

Method and apparatus for measuring the flying height of a magnetic head above a disk surface at three wavelengths

Head flying height measuring apparatus

Optical transmission substrate, method for manufacturing optical transmission substrate and optoelectronic integrated circuit

Optical beam deflector