Inventor

FUKUMOTO ATSUSHI

JP113 patents

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

FUKUMOTO ATSUSHI

SONY CORP

Recording/reproducing apparatus and recording/reproducing method for optical recording media

Magnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layer

Method of and apparatus for initializing multi-layer optical recording medium

Optical pick-up device, optical recording/reproducing apparatus and objective lens

Optical recording medium recording and reproducing apparatus and optical pickup device

Optical pick-up device for a multi-layer recording medium with a photodetector arrangement for focusing and tracking control

Tracking control method and apparatus for an optical disc system

Reproduced signal evaluation apparatus and method, reproduction apparatus and method, and recording apparatus and method

Optical disc inclination detecting method, optical pickup device, and optical disc device

Tracking control apparatus for a multi-layer optical disc and method therefor

Magneto-optical medium and recording and/or reproducing apparatus thereof

Method for reproducing signals recorded on optical recording medium

Method for reproducing information recorded on a magneto-optical recording medium including servo controlling the dimension of the reproduction region of the recording medium by means of a recorded signal

Optical disk having intertrack heat conduction suppression

Positional detection of a magneto-optic recording medium for controlling irradiation of a relief region

Optical disk

Laser light generating apparatus

Hologram recording/reproducing device and recording/reproducing optical apparatus

Recording and reproducing apparatus, recording and reproducing method, reproducing apparatus, and reproducing method

Recording apparatus and phase modulation device

Diffraction grating, optical pick-up, error signal detection device, and error signal detection method

Optical pickup and recording and/or reproducing apparatus

Laser light generating apparatus

Optical pickup, tilt detection apparatus, tilt detection method and optical disk apparatus

TOSHIBA KK

Mobile IP communication scheme using dynamic address allocation protocol

Packet processing device and mobile computer with reduced packet processing overhead

Mobile computer and method of packet encryption and authentication in mobile computing based on security policy of visited network

Mobile computing scheme using encryption and authentication processing based on mobile computer location and network operating policy

Mobile IP communication scheme using visited site or nearby network as temporal home network

Mobile IP communication scheme for supporting mobile computer move over different address spaces

Packet inspection device, mobile computer and packet transfer method in mobile computing with improved mobile computer authenticity check scheme

Mobile IP communications scheme incorporating individual user authentication

Program execution and operation right management system suitable for single virtual memory scheme

Mobile IP communication scheme using dynamic address allocation protocol

Mobile IP communication scheme incorporating individual user authentication

Mobile IP communication scheme using dynamic address allocation protocol

Semiconductor memory device having voids between word lines and a source line

Semiconductor device and method of manufacturing the same

Mobile IP communication scheme incorporating individual user authentication

Mobile IP communication scheme for supporting mobile computer move over different address spaces

MITSUBISHI ELECTRIC CORP

Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor

Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor

Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor

Method of making memory cells with peripheral transistors

Semiconductor memory device and method of manufacturing the same

AND-type non-volatile semiconductor memory device and method of manufacturing thereof

Nonvolatile semiconductor memory device and method of manufacturing the same

YOSHIMIZU YASUHITO

Nonvolatile memory device

ICT CO LTD

Method and device for controlling exhaust emission from internal combustion engine

TOSHIBA MEMORY CORP

Semiconductor device