P

Inventor

TAKENAGA MUTSUO

JP11 patents
⚠️ This page may combine multiple inventors who share the name “TAKENAGA MUTSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

9 patents
US3971874AJul 27, 1976

Optical information storage material and method of making it

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD83 citations95
US4569038AFeb 4, 1986

Optical disk, high density optical disk system, and high density recording/reproducing method using the optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US4383029AMay 10, 1983

Recording medium and recording system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US4935336AJun 19, 1990

Optical recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US4091171AMay 23, 1978

Optical information storage material and method of making it

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations82
US4322839AMar 30, 1982

Method and apparatus for recording and reproducing information on and from an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations73
US4248731AFeb 3, 1981

Thermoluminescent material

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US4659588AApr 21, 1987

Method of producing optical recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations69
US4290909ASep 22, 1981

Process for producing a lithium borate thermoluminescent and fluorescent substance

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62

KIMURA KUNIO

1 patent
US4624914ANov 25, 1986

Optical information recording medium of Te, O and Pd and method for making same

KIMURA KUNIO35 citations90

YAMADA NOBORU

1 patent
US4916048AApr 10, 1990

Optical recording medium and method of optical recording and erasing using medium

YAMADA NOBORU30 citations89