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Sagamikara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Compact sound record playing apparatus
Patent number
5,247,511
Issue date
Sep 21, 1993
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound recording playing apparatus with improved vibration plate
Patent number
5,177,733
Issue date
Jan 5, 1993
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound record playing apparatus having shock responsive weight membe...
Patent number
5,138,602
Issue date
Aug 11, 1992
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified acoustic playback apparatus
Patent number
5,103,442
Issue date
Apr 7, 1992
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound reproducing device for playing a record disc having a plurali...
Patent number
5,054,012
Issue date
Oct 1, 1991
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound reproducing device for playing a record disc having a plurali...
Patent number
4,876,678
Issue date
Oct 24, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Index carrier for indexing and reproducing a plurality of record di...
Patent number
4,862,444
Issue date
Aug 29, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device having a means for preventing c...
Patent number
4,827,465
Issue date
May 2, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device capable of reproducing a plural...
Patent number
4,823,332
Issue date
Apr 18, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Phonograph for a record disk having a plurality of sound grooves
Patent number
4,811,322
Issue date
Mar 7, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Device for measuring the speed of a moving object
Patent number
4,801,880
Issue date
Jan 31, 1989
Ozen Corporation
Eishi Koike
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Pull string mechanism in a pull string type sound reproducing device
Patent number
4,800,305
Issue date
Jan 24, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound generating toy
Patent number
4,757,491
Issue date
Jul 12, 1988
Ozen Corporation
Eishi Koike
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Voice generating device
Patent number
4,723,291
Issue date
Feb 2, 1988
Ozen Corporation
Eishi Koike
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electric equipment driving circuit
Patent number
4,705,994
Issue date
Nov 10, 1987
Ozen Corporation
Eishi Koike
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Starting device for a toy motor using an ultrasonic wave signal
Patent number
4,701,681
Issue date
Oct 20, 1987
Ozen Corporation
Eishi Koike
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Record disc replacing means
Patent number
4,694,444
Issue date
Sep 15, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Record disc replacing means for a selective playing type sound repr...
Patent number
4,694,445
Issue date
Sep 15, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device of random selecting type
Patent number
4,694,446
Issue date
Sep 15, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device having a plurality of external...
Patent number
4,670,867
Issue date
Jun 2, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device having a plurality of external...
Patent number
4,670,868
Issue date
Jun 2, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device capable of reproducing a plural...
Patent number
4,648,086
Issue date
Mar 3, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device having switchable circuits
Patent number
4,622,658
Issue date
Nov 11, 1986
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound reproduction selection apparatus for a simplified sound repro...
Patent number
4,574,370
Issue date
Mar 4, 1986
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Self-holding switch for use in a sound reproducing device
Patent number
4,573,150
Issue date
Feb 25, 1986
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device
Patent number
4,547,873
Issue date
Oct 15, 1985
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simple acoustic playback device for a record having plurality of re...
Patent number
4,541,085
Issue date
Sep 10, 1985
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound-reproducing device having an external output shaft
Patent number
4,524,437
Issue date
Jun 18, 1985
Ozen Corporation
Eishi Koike
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Continuous repeating type simplified sound reproducing device
Patent number
4,486,871
Issue date
Dec 4, 1984
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound-reproducing device for a record disc having a plur...
Patent number
4,482,990
Issue date
Nov 13, 1984
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE