Yoshiro Joichi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for demodulating digital FM signal in an optical disc device
- Patent number 6,081,493
- Issue date Jun 27, 2000
- Sony Corporation
- Yoshiro Joichi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for demodulating a digital FM signal which normally has s...
- Patent number 5,907,528
- Issue date May 25, 1999
- Sony Corporation
- Yoshiro Joichi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for demodulating digital FM signal in an optical disc device
- Patent number 5,838,649
- Issue date Nov 17, 1998
- Sony Corporation
- Yoshiro Joichi
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotation control circuit for a hall motor
- Patent number 4,922,513
- Issue date May 1, 1990
- Sony Corporation
- Yoshiro Joichi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Muting circuit
- Patent number RE32278
- Issue date Nov 4, 1986
- Sony Corporation
- Teppei Yokota
- 307 - Electrical transmission or interconnection systems
Information Patent Grant
Tracking servo apparatus for an optical information reproducing system
- Patent number 4,476,555
- Issue date Oct 9, 1984
- Sony Corporation
- Yoshiro Joichi
- G11 - INFORMATION STORAGE
Information Patent Grant
Muting circuit
- Patent number 4,420,694
- Issue date Dec 13, 1983
- Sony Corporation
- Teppei Yokota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital signal processing circuit
- Patent number 4,379,286
- Issue date Apr 5, 1983
- Sony Corporation
- Teppei Yokota
- G11 - INFORMATION STORAGE

Yoshiro Joichi

Person

Patents Grantslast 30 patents

Apparatus for demodulating digital FM signal in an optical disc device

Apparatus for demodulating a digital FM signal which normally has s...

Apparatus for demodulating digital FM signal in an optical disc device

Rotation control circuit for a hall motor

Muting circuit

Tracking servo apparatus for an optical information reproducing system

Muting circuit

Digital signal processing circuit