Inventor

YAMASAKI FUMITOMO

JP75 patents

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

YAMASAKI FUMITOMO

PANASONIC CORP

Detection lens, lens unit, optical pickup device, optical disc device, computer, optical disc player and optical disc recorder

Optical pick-up head, optical information apparatus, and optical information reproducing method

Optical head, diffraction device, objective lens, and optical disc apparatus

Optical head and optical disc device

Afocal lens, optical head, optical disk apparatus and optical information equipment

Optical head device and optical information device

Optical head and optical disk device capable of detecting spherical aberration

Optical head and optical disc device

Optical pick-up head, optical information apparatus, and optical information reproducing method

Optical pick-up head, optical information apparatus, and optical information reproducing method

Optical pick-up head, optical information apparatus, and optical information reproducing method

Optical head, and information recording-and-regeneration apparatus

Optical head and optical information recorder/reproducer

Optical head, and information recording-and-regeneration apparatus

Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle

Information recording medium, information supply system, and optical information device

Optical pickup device and collimate lens

Optical pickup, optical information device, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

Optical head and data processing apparatus including the same

Optical pick-up head, optical information apparatus, and optical information reproducing method

Optical pick-up head, optical information apparatus, and optical information reproducing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical pick-up head, optical information apparatus, and optical information reproducing method

Digital camera capable of directly accessing images recorded on another digital camera

Optical head and optical disk unit

Optical pickup lens device and information recording and reproducing device using the same

Optical head and data processing apparatus including the same

Optical head, an optical disk device and an integrated circuit

Information recorder, system for copying information, method for copying information, program and computer readable recording medium

Optical pickup lens device and information recording and reproducing device using the same

YAMASAKI FUMITOMO

Optical head, diffraction device, objective lens, and optical disc apparatus

Optical head and optical disc device

Information recording apparatus, information copying system, method for copying information, program and computer readable recording medium

Optical head, optical element with diffraction grating, optical disc device and information processing device

Information recording medium, information supply system, and optical information device

Optical disc label printer, thermosensitive recording printer and thermosensitive recording method

Optical head, optical element with diffraction grating, optical disc device and information processing device

KOMMA YOSHIAKI

Compound objective lens, optical head device, optical information device, and information processing device

Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights

Optical disk driving apparatus, optical disk driving system, vehicle equipped with optical disk driving system, method of correcting spherical aberration in optical disk driving apparatus, program and recording medium

Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights

Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle

Optical disk driving apparatus, optical disk driving system, vehicle equipped with optical disk driving system, method of correcting spherical aberration in optical disk driving apparatus, program and recording medium

PANASONIC IP MAN CO LTD

Recording apparatus

Optical disc information device and information processing device

Optical information apparatus and information processing apparatus

Optical head, objective lens, optical disc device, computer, optical disc player, and optical disc recorder

Objective lens, optical head, optical disk device, and information processing device

TANAKA TOSHIYASU

Optical pickup, optical information device, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

NAKAO MASAHITO

Information recording medium, reproducing device and reproducing method

TERAHARA NORIAKI

Optical pickup and drive apparatus