Inventor

YOSHIKAWA AKIO

JP47 patents

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

YOSHIKAWA AKIO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Semiconductor laser device and optical pickup head

Lead frame which includes a die pad, a support lead, and inner leads

Diffractive optical element that polarizes light and an optical pickup using the same

Photodetector unit, and optical pickup, optical reproduction apparatus, and optical recording apparatus equipped with the same

Semiconductor light-emitting unit, optical apparatus and optical disk system having heat sinking means and a heating element incorporated with the mounting system

Semiconductor laser device

Optoelectronic device

Method of producing stripe-structure semiconductor laser

Buried stripe-structure semiconductor laser

Optical pickup with improved optical properties

Optical device with diffraction grating having plural grating regions

Optical device with diffraction grating having plural grating regions

Semiconductor laser and a manufacturing method for the same

Semiconductor laser and a manufacturing method for the same

Semiconductor laser device

Diffractive optical element that polarizes light and an optical pickup using the same

CANON KK

Electronic apparatus and method for controlling the same and storage medium

Display control apparatus and control method for controlling the same

Display control device and control method therefor

Imaging control apparatus and method for controlling the same

Electronic device and control method thereof

Display control apparatus and control method therefor

Display control apparatus, control method therefor, and storage medium

Display control apparatus and method for controlling the same

Electronic device, control method of electronic device, and non-transitory computer readable storage medium

Electronic apparatus and method of controlling the same, and recording medium

Electronic apparatus and method for controlling the same

Display control apparatus capable of performing display control for display apparatus with variable orientation, control method therefor, and storage medium

Electronic apparatus, its control method and program, and storage medium

Display control device, display control method, and non-transitory computer readable medium for displaying captured image including two image regions

Imaging control apparatus for controlling to display focus information and control method for controlling imaging control apparatus

Display control apparatus and method for controlling the same

MATSUSHITA ELECTRONICS CORP

Semiconductor laser device with integrated reflector on a (511) tilted lattice plane silicon substrate

Semiconductor laser device

Optical head including a semiconductor laser having a non-scatter area to diffuse incident light beams

Lasing system with wavelength-conversion waveguide

Method of etching semiconductor substrate

Semiconductor laser device for use as a light source of an optical disk or the like

Semiconductor laser device

Optical head including a semiconductor laser having a non-scatter incident area

Diffraction element and optical pick-up assembly

VICTOR COMPANY OF JAPAN

Optical radio repeater with signal quality detection

Repeater system

MATSUSHIA ELECTRONICS CORP

Semiconductor laser device

MATSUSHITA ELECTRONICS IND CO

Method for manufacturing an optical pickup

YAMATO SCALE CO LTD

Series printer

A&D CO LTD

Electronic device and extension unit for electronic device