Inventor

AKIYAMA JUN

JP48 patents

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

AKIYAMA JUN

SHARP KK

Inexpensive compressed data storage apparatus with improved resistance to vibrations

Data recording/reproducing apparatus of simultaneously performing both reproducing and recording from and in a single recording medium

Method and apparatus for controlling digital copying of digitally recorded information

Data recording/reproducing apparatus with alternating access of compressed works

Information recording and reproducing device providing faster access time to a recording medium

Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium

Signal evaluation apparatus and signal evaluation method

Method and arrangement for recording/reproducing compressed program information on a recording medium containing a plurality of programs

Multiple coil magnetic head for magnetic optical recording device

Signal evaluation devices and signal evaluation methods, signal quality evaluation methods and reproducing devices and recording devices

Reproduction device and method wherein detection of sub-data generated within a controlled time period controls appropriate decryption

Optical disk apparatus and method for adjusting optical disk apparatus laser power

Optical disk, optical reproduction device, and optical recording device

Track jump device and information recording medium driving apparatus

Storage medium managing device, storage medium managing program, and computer-readable medium

Data storage medium reproducing device and method for reproducing data storage medium

AGC INC

Glass sheet composite

Glass sheet composite

Glass sheet composite, and diaphragm

Speaker device

Glass sheet composite, diaphragm using the same, and image projection structure

Alkali-free glass substrate and method for manufacturing alkali-free glass substrate

Glass sheet composite

Glass sheet composite

Glass sheet composite, and diaphragm

Display device and television device

Carrier substrate, laminate, and method for manufacturing electronic device

Glass plate structure, diaphragm, and opening member

Vibration device

Carrier substrate, laminate, and method for manufacturing electronic device

Sound shielding device

Vibration device for generating acoustic performance

TOPCON CORP

Apparatus for measuring a lens frame configuration

Lens shape measuring apparatus

Lens shape measuring apparatus

Lens shape measuring apparatus

PANASONIC IP MAN CO LTD

Household electrical appliance and household electrical system

Household electric appliance, household electric system, and server apparatus

Household electrical appliance and household electrical system

TAIRA TAKUNORI

Transparent polycrystalline material and production process for the same

Translucent polycrystalline material and manufacturing method thereof

MITSUI OCEAN DEV & ENG

Method for installing offshore jack-up structures

NITTO DENKO CORP

Acrylic pressure-sensitive adhesive composition, acrylic pressure-sensitive adhesive layer, and acrylic pressure-sensitive adhesive tape

ASAHI GLASS CO LTD

Non-alkali glass

OKAMOTO MASAYUKI

Acrylic pressure-sensitive adhesive composition for optical use and acrylic pressure-sensitive adhesive tape for optical use

AKIYAMA JUN

Optical acrylic pressure-sensitive adhesive composition and optical acrylic pressure-sensitive adhesive tape

KEK HIGH ENERGY ACCELERATOR

Transparent polycrystalline material and production process for the same

YAMAMOTO MASAKI

Optical information recording medium reproducing apparatus, method for reproducing optical information recording medium, program for reproducing optical information recording medium, and computer readable recording medium