Inventor

YAMASHITA TATSUMARO

JP50 patents

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

YAMASHITA TATSUMARO

ALPS ELECTRIC CO LTD

Light guide member and illuminating device

Illumination device and liquid crystal display device

Compound optical device, compound optical unit including the compound optical device, and optical pickup apparatus including the compound optical unit

Illumination device having a single light source and liquid crystal display device

Data transfer method of magnetic recording/reproducing apparatus

Camera apparatus with positioning tube and mounting base

Optical apparatus

Optical device

Illuminating device, light guide body and liquid crystal display device

Optical disk cartridge

Optical disk device capable of accessing a plural different types of optical disks

Compound optical unit mounted on optical device

Optical disk cartridge

Tape speed sensor, control circuit using tape speed sensor and method of controlling tape speed sensor using control circuit

Optical disk discriminating method, including memory storage, for automatic multiple-disk changer

Disk package capable of loading a disk package containing multiple disks of different types and locking mechanism dependent on individual disk type

Disc package

Disk package

Disk drive capable of loading a disk package containing multiple disks of different types and locking mechanism dependent on individual disk type

Data processing apparatus having a digital recording and reproducing system and an analog reproducing system

Rotary head type magnetic recording and reproducing apparatus with dedicated recording and reproducing magnetic heads

Multiple magnetic head rotary transducer drum for simultaneous recording and reproducing

Direct drive motor having adjustable bearing for spindle

Magnetic tape guide drum with grounding device

Line-of-sight detection apparatus

Object detection device

Actuator, optical apparatus using actuator, and method of manufacturing actuator

Disk drive using plural optical heads, capable of identifying the types of media

Optical disk cartridge

Optical disk cartridge

Compact switching means for driving a recording medium

Disk package for storage of multiple disks of different types and locking mechanism dependent on individual disk type

Cassette loading device of a tape player utilizing power from capstan motor

Rotary head type magnetic recording and reproducing apparatus

Head position controlling method

Head height adjustment construction in magnetic recording and reproducing apparatus with rotary cylinder

Disk drive with an objective lens disposed in an optical head moving along a transfer line not intersecting the center of rotation of a disk

Device for securing optical element

Optical encoder having optical conductor at the outer circumference of rotor

Rotary head type magnetic recording/reproducing unit

Tape guide driving device for rotating head type tape player

Optical lens adjusting device and adjusting method thereof

Disk device

Disk device

Input device

Driving device for a recording medium

Object detection device

Optical disk cartridge

YAMASHITA TATSUMARO

Driver vision support system and vehicle including the system

Imaging apparatus