Inventor

YOSHIDA TOMIO

JP39 patents

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

YOSHIDA TOMIO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Method and apparatus for timing variable optical information recording

Optical disk having an index mark

Optical head

Optical and reversible recording and reproducing apparatus

Optical data recording and reproducing apparatus

Method and apparatus for optically recording and reproducing information

Optical having index mark and sector mark

Semiconductor laser driving system

Angular velocity sensor and a sensor apparatus incorporating the same

Optical recording and playback apparatus using plural light spots

Optical recording and reproducing head

Optical data recording and reproducing apparatus

Apparatus for locating a track on disc-like optical information carriers

Light source intensity control in an optical recording and reproducing apparatus

Apparatus and method for recording, reproducing and erasing on optical recording discs

Optical recording and/or reproducing device

Servo control system for optical system which focuses a converging light beam on a recording disc

Optical system having diode laser light source

Abnormal track skipping detection and control arrangement

Optical recording and reproducing head

Optical recording and reproducing apparatus having erasing beam spot with asymmetrical intensity distribution

Optical recording and reproducing disc

Optical recording device

Optical disk apparatus with an erase checking function

Optical disc recording and retrieval system

SUMITOMO NAUGATUCK

Weather resistant thermoplastic resin composition

Weather-resistant resin, and its production

Molding resin composition

Resin of polycarbonate and graft copolymer of unsaturated epoxy monomer and ethylene-α-olefin base rubber

Process for producing thermoplastic resin

Process for producing thermoplastic resin

HITACHI LTD

Process for producing a positive electrode for a non-aqueous electrolytic cell

Method of inhibiting corrosion of zirconium or its alloy

Printed circuit board, process for preparing the same and resist ink used therefor

Power controlling apparatus using friction material

ADVANTEST CORP

Parallel pseudo-random pattern generating method and pseudo-random pattern generator using the same

Multi-channel pseudo random pattern generating device

FUJITSU LTD

Inter-system communication system for communicating between operating systems using virtual machine control program

OMRON TATEISI ELECTRONICS CO

Laser speckle velocity-measuring apparatus