Seizo Watanabe

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk jacket
- Patent number 4,724,962
- Issue date Feb 16, 1988
- Olympus Optical Company Limited
- Seizo Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic recording medium of thin metalli...
- Patent number 4,407,861
- Issue date Oct 4, 1983
- Olympus Optical Co., Ltd.
- Seizo Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for detecting edge of magnetic tape for recording signals
- Patent number 4,390,917
- Issue date Jun 28, 1983
- Olympus Optical Co., Ltd.
- Seizo Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic record tape protective device for a tape cassette
- Patent number 4,372,504
- Issue date Feb 8, 1983
- Olympus Optical Co., Ltd.
- Tsutomu Shibata
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for automatically tracking a magnetic tape
- Patent number 4,363,042
- Issue date Dec 7, 1982
- Olympus Optical Co., Ltd.
- Kenji Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 4,356,524
- Issue date Oct 26, 1982
- Olympus Optical Company Ltd.
- Seizo Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Double-capstan tape driving device
- Patent number 4,355,750
- Issue date Oct 26, 1982
- Olympus Optical Co., Ltd.
- Sinichi Saitou
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette
- Patent number 4,352,473
- Issue date Oct 5, 1982
- Olympus Optical Co., Ltd.
- Ken Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic cassette tape record and play apparatus
- Patent number 4,330,802
- Issue date May 18, 1982
- Olympus Optical Co., Ltd.
- Toshikazu Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette drive assembly
- Patent number 4,320,879
- Issue date Mar 23, 1982
- Olympus Optical Co., Ltd.
- Sinichi Saitou
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette
- Patent number 4,316,590
- Issue date Feb 23, 1982
- Olympus Optical Co., Ltd.
- Ken Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Mechanism for preventing loosening of magnetic recording tape of ta...
- Patent number 4,309,002
- Issue date Jan 5, 1982
- Olympus Optical Co., Ltd.
- Sinichi Saitou
- G11 - INFORMATION STORAGE

Seizo Watanabe

Person

Patents Grantslast 30 patents

Disk jacket

Method of manufacturing a magnetic recording medium of thin metalli...

Device for detecting edge of magnetic tape for recording signals

Magnetic record tape protective device for a tape cassette

Method and apparatus for automatically tracking a magnetic tape

Magnetic head

Double-capstan tape driving device

Tape cassette

Magnetic cassette tape record and play apparatus

Tape cassette drive assembly

Tape cassette

Mechanism for preventing loosening of magnetic recording tape of ta...