Inventor

WADA HIDENORI

JP79 patents

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

WADA HIDENORI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical disk device and information recording/reproducing method

Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device

Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method

Diffractive optical element and optical head using the same

Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical element

Optical head for adjusting a positional relation between the information medium and the optical head

Optical disk apparatus for optically recording or reproducing information on an optical recording medium

Liquid crystal driver and optical head for tilt correction

Assembled lens, optical head and optical recordable player with them

Optical element, optical head and optical recording reproducing apparatus

Optical head and optical recording/reproducing device using it and aberration correction method

Optical disk device and information recording/reproducing method

Optical disk device and information recording/reproducing method

Diffractive optical element and optical head using the same

Optical head device and optical information apparatus using the same

Optical head with defocusing correction and spherical aberration correction

Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing method

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

Optical disk device and information recording/reproducing method

Information recording and reproducing apparatus

Holographic optical head

Holographic optical device

Optical disk apparatus for producing information recorded on a recording track

Optical disk apparatus for optically recording or reproducing information on an optical recording medium

Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method

Optical head device and optical information apparatus using the same

Optical head and optical recording and reproducing apparatus

Optical head and optical recording and reproducing apparatus

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method

Optical head including an active polymer film for switching voltage during recording and reproducing processes

Optical recording head capable of correcting spherical aberration

Optical disk device and information recording/reproducing method

Optical head device, optical information apparatus, and method for detecting focus error signal

Liquid crystal driver and optical head for tilt correction

PANASONIC CORP

Optical pickup, optical disc drive device, and optical information device

Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system

Optical head for optical recorder/reproducer

Optical disk device and information recording/reproducing method

Light information apparatus and control method of light information apparatus

Objective lens actuator

Beam shaping optical device, optical head, and optical information medium drive unit

Optical head device and optical information apparatus using the same

Light modulator, optical pickup, and light modulation module

NIPPON CATALYTIC CHEM IND

Method for producing polyacrylic acid (salt)-based water absorbent resin

DENSO CORP

Card key

TAKAAI TOSHIHIRO

Polyacrylic acid-type water absorbent resin and method for producing same

WADA HIDENORI

Optical pickup, inclination angle detection method, optical information device and information processing device