Inventor

SAIMI TETSUO

JP42 patents

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

SAIMI TETSUO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical head for a plurality of types of information recording media

Optical head and recording reproduction method

Aberration detection device and optical information recording and reproducing apparatus

Optical pickup head having a hologram-associated objective lens and optical information processing apparatus using the same

Optical pickup head with holographic servo signal detection using a spot size detection system

Optical recording medium discriminating apparatus using laser beams of different wavelengths

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

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

Aberration detection device and optical information recording and reproducing apparatus

Information recording/reproducing apparatus

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

Optical head

Optical disk device

Optical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areas

Optical head with polarized beam hologram

Optical head device using cross-polarized from a light source for use in optical disk system

Optical information reading device

Assembled lens, optical head and optical recordable player with them

Optical element, optical head and optical recording reproducing apparatus

Optical head

Optical head

Reproducing-only and recordable-reproduceable optical discs and common optical disc player therefor

Optical device for optically recording and reproducing information signals on an information carrier

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

Aberration detection device and optical information recording and reproducing apparatus

Information recording and reproducing apparatus

Optical head

Optical information processing unit

Holographic optical head

Holographic optical device

Optical head with a translucent plate to split a light beam

Optical head having a fixed optical casing and a movable optical casing

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

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

Prism and manufacturing method thereof, optical beam shaping apparatus and optical head device utilizing such prism, and optical beam shaping method

Prism and manufacturing method thereof, optical beam shaping apparatus and optical head device utilizing such prism, and optical beam shaping method

Optical information recording and reproducing apparatus for recording information bits into an optical disk in a three dimensional arrangement

Information recording/reproducing apparatus

Information recording medium and information recording/reproducing apparatus to increase recording density

Optical recording and/or reproduction apparatus, tracking method, and optical recording medium

MATSUSHITA ELECTRIC CO LTD

Movable optical head integrally incorporated with objective lens and hologram element

PANASONIC CORP

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