Yoshio Tomizawa

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Connecting device
- Patent number 4,420,216
- Issue date Dec 13, 1983
- Olympus Optical Company Limited
- Kazuyasu Motoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape run speed-changing circuit
- Patent number 4,393,420
- Issue date Jul 12, 1983
- Olympus Optical Co., Ltd.
- Yoshio Tomizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic counter circuit for tape recorder
- Patent number 4,370,549
- Issue date Jan 25, 1983
- Olympus Optical Co., Ltd.
- Yoshio Tomizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for moving the pinch roller and the magnetic head of a ta...
- Patent number 4,351,009
- Issue date Sep 21, 1982
- Olympus Optical Co., Ltd.
- Hajime Osada
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape recorder device with tape running speed display
- Patent number 4,170,790
- Issue date Oct 9, 1979
- Olympus Optical Co., Ltd.
- Ken Satoh
- G11 - INFORMATION STORAGE