Membership
Tour
Register
Log in
Yuzuru Kuroki
Follow
Person
Toyonaka, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of recording/reproducing optical disk data
Patent number
5,388,105
Issue date
Feb 7, 1995
Matsushita Electric Industrial Co., Ltd.
Yuji Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Data recording/reproducing method and apparatus having means for re...
Patent number
5,359,584
Issue date
Oct 25, 1994
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Fukushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Erasable optical disk and optical information recording/reproductio...
Patent number
5,214,635
Issue date
May 25, 1993
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Composite optical disc having both a data read-only area and a data...
Patent number
5,173,886
Issue date
Dec 22, 1992
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording and reproducing system and optical disk
Patent number
5,077,720
Issue date
Dec 31, 1991
Matsushita Electric Industrial Co., Ltd.
Yuji Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk recording and reading system with directory data acces...
Patent number
5,073,887
Issue date
Dec 17, 1991
Matsushita Electric Industrial Co., Ltd.
Yuji Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information reproducing apparatus
Patent number
5,054,017
Issue date
Oct 1, 1991
Matsushita Electric Industrial Co., Ltd.
Jun Hiroyoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Data block deinterleaving and error correction system
Patent number
5,051,998
Issue date
Sep 24, 1991
Matsushita Electric Industrial Co., Ltd.
Katsumi Murai
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc having a data read-only area and a data recording arm and a re...
Patent number
5,023,854
Issue date
Jun 11, 1991
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus with management of...
Patent number
4,986,668
Issue date
Jan 22, 1991
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Fukushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording and reproducing apparatus having an i...
Patent number
4,969,139
Issue date
Nov 6, 1990
Matsushita Electric Industrial Co., Ltd.
Yasushi Azumatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk
Patent number
4,964,094
Issue date
Oct 16, 1990
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording and reproducing system using optical...
Patent number
4,949,326
Issue date
Aug 14, 1990
Matsushita Electric Industrial Co., Ltd.
Yuji Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Erasable optical disk and optical information recording/reproductio...
Patent number
4,939,713
Issue date
Jul 3, 1990
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus with management of...
Patent number
4,885,735
Issue date
Dec 5, 1989
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Fukushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk, optical disk recording and reproducing apparatus and...
Patent number
4,879,704
Issue date
Nov 7, 1989
Matsushita Electric Industrial Co., Ltd.
Yuuji Takagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information recording/reproducing apparatus for handling defective...
Patent number
4,833,663
Issue date
May 23, 1989
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk duplicating apparatus using sector data identification...
Patent number
4,823,333
Issue date
Apr 18, 1989
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus which detects deter...
Patent number
4,821,254
Issue date
Apr 11, 1989
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus using sectors divid...
Patent number
4,805,046
Issue date
Feb 14, 1989
Matsushita Electric Industrial Co., Ltd.
Yuzuru Kuroki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording and reproducing apparatus having erasing function...
Patent number
4,799,208
Issue date
Jan 17, 1989
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording/reproducing apparatus
Patent number
4,789,974
Issue date
Dec 6, 1988
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus
Patent number
4,789,911
Issue date
Dec 6, 1988
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Fukushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical data recording and reproducing apparatus with erase functio...
Patent number
4,769,804
Issue date
Sep 6, 1988
Matsushita Electric Industrial Co., Ltd.
Isao Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for determining defective or non-used sectors of an optic...
Patent number
4,768,181
Issue date
Aug 30, 1988
Matsushita Electric Industrial Co., Ltd.
Makoto Ichinose
G11 - INFORMATION STORAGE
Information
Patent Grant
Abnormal track skipping detection and control arrangement
Patent number
4,759,006
Issue date
Jul 19, 1988
Matsushita Electric Industrial Co., Ltd.
Kenji Koishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording and reproducing apparatus having defe...
Patent number
4,742,507
Issue date
May 3, 1988
Matsushita Electric Industrial Co., Ltd.
Yuzuru Kuroki
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for detecting and correcting errors on product codes
Patent number
4,653,051
Issue date
Mar 24, 1987
Matsushita Electric Industrial Co., Ltd.
Tatuo Sugimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Data recording/reproducing apparatus
Patent number
4,630,140
Issue date
Dec 16, 1986
Matsushita Electric Industrial Co., Ltd.
Tatuo Sugimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical and reversible recording and reproducing apparatus
Patent number
4,566,088
Issue date
Jan 21, 1986
Matsushita Electric Industrial Co., Ltd.
Tomio Yoshida
G11 - INFORMATION STORAGE