Yoshio Ishigaki

Person

Tokyo, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Current controlled emitter coupled multivibrator
- Patent number 4,083,019
- Issue date Apr 4, 1978
- Sony Corporation
- Takeshi Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Undesired signal canceller
- Patent number 4,081,837
- Issue date Mar 28, 1978
- Sony Corporation
- Masahiro Tada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal amplifying circuit
- Patent number 4,021,749
- Issue date May 3, 1977
- Sony Corporation
- Yoshio Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus for recording and/or reproducing color video signals
- Patent number 4,012,771
- Issue date Mar 15, 1977
- Sony Corporation
- Yoshio Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multipurpose semiconductor circuits utilizing a novel semiconductor...
- Patent number 3,988,598
- Issue date Oct 26, 1976
- Sony Corporation
- Yoshio Ishigaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Gain control circuits
- Patent number 3,988,692
- Issue date Oct 26, 1976
- Sony Corporation
- Yoshio Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multipurpose switching circuits utilizing a novel semiconductor device
- Patent number 3,980,900
- Issue date Sep 14, 1976
- Sony Corporation
- Yoshio Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain control circuits utilizing a novel semiconductor device
- Patent number 3,976,951
- Issue date Aug 24, 1976
- Sony Corporation
- Yoshio Ishigaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Magnetic recording and/or reproducing apparatus
- Patent number 3,968,514
- Issue date Jul 6, 1976
- Sony Corporation
- Hisaaki Narahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshio Ishigaki

Person

Patents Grantslast 30 patents

Current controlled emitter coupled multivibrator

Undesired signal canceller

Signal amplifying circuit

Apparatus for recording and/or reproducing color video signals

Multipurpose semiconductor circuits utilizing a novel semiconductor...

Gain control circuits

Multipurpose switching circuits utilizing a novel semiconductor device

Gain control circuits utilizing a novel semiconductor device

Magnetic recording and/or reproducing apparatus