Inventor

YONEKUBO MASATOSHI

JP103 patents

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

YONEKUBO MASATOSHI

SEIKO EPSON CORP

Optical switching device and image display device

Optical switching element and image display device

Optical switching device and image display device

Laser emission unit, optical head and optical memory device

Photosensitive printing apparatus

Image display device and projector

Image display device and projector

Optical switching element and image display device

Optical system for optical memory device

Rear-type projector

Projector

Optical writing head such as organic EL array exposure head, method of manufacturing the same, and image forming apparatus using the same

Display panel, method of manufacturing display panel, and display apparatus

Optical recording medium having a track pitch less than the wavelength of a laser beam

Polarizer, including thin polarizing film, optical element with polarizer, optical head with polarizer and methods and apparatus for forming same

Optical apparatus for optically reading and recording information

Laser emission unit, optical head and optical memory device

Head-mounted display apparatus

Display apparatus

Virtual image display device and head-mounted display

Image display apparatus having an optical scanner

Image display apparatus and head-mounted display

Image display apparatus

Image display device and method of controlling image display device

Projector

Light source, method for manufacturing light source, and projector

Image display device and light source device

Light source including multiple light emitting devices driven by a control device, and projector

Oranic EL array exposure head, imaging system incorporating the same, and array-form exposure head fabrication process

Image display device with optical systems to guide light to a pupil

Optical device and image display apparatus

Optical device including diffraction elements for diffracting light inside of a light guide, image projecting apparatus, and electronic device

Screen and projection system

Space light modulating apparatus, projector including same, process for manufacturing microstructure element used in same, and microstructure element manufactured by the same process

Light source unit and projector

Focus detection mechanism and optical head and optical storage device that use it

Optical head and magneto-optical read/write device

Image display device having maximum emission angle of first image light smaller than maximum viewing angle of virtual image

Image display device capable of adjusting image position in depth direction

Display device and light guide device

Electro-optical device having optical element including a plurality of light guiding materials bonded via a half mirror layer

Light flux diameter-expanding element and display apparatus

Spatial light modulator and projector

Optical head and optical memory device

Magneto-optical signal read-out system using divided photodetector

Optical read/write device

Virtual image display device

Virtual image display apparatus and optical unit

Photosensitive printing apparatus

YONEKUBO MASATOSHI

Projector that monitors mirror function to prevent point illumination