Inventor

KAWAHARA KATSUMI

JP19 patents

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

KAWAHARA KATSUMI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical information recording medium and method for producing the same, method for recording and reproducing information thereon and recording/reproducing apparatus

Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information

Optical recording medium and production process for the medium

Optical information recording medium and method for initializing the same

Information recording medium and method for manufacturing the same

Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information

Optical information recording medium, method for producing the same, and method for recording and reproducing optical information

Initialization process for a phase change recording medium with a zero level drop in flash light emission

Optical information recording medium

Method of recording and erasing information in an erasible optical recording medium

Process for manufacturing an optical recording medium

Method and apparatus for initializing optical recording medium

Optical information recording medium having protection layers with different properties on both sides of an optical active layer

Optical record medium

Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information

Optical recording medium and production process for the medium

Optical recording medium

Optical recording medium

DAIKIN IND LTD

Rotary compressor