Yoshio Ishigaki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for displaying scrolling images
- Patent number 4,694,406
- Issue date Sep 15, 1987
- Nippon Telegraph & Telephone
- Michiro Shibui
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Adjustable loop and dipole antenna
- Patent number 4,570,165
- Issue date Feb 11, 1986
- Sony Corporation
- Shinobu Tsurumaru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Television receiver
- Patent number 4,390,818
- Issue date Jun 28, 1983
- Sony Corporation
- Tamiji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loop antenna apparatus with variable directivity
- Patent number 4,358,769
- Issue date Nov 9, 1982
- Sony Corporation
- Masahiro Tada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage regulator using saturable transformer
- Patent number 4,339,792
- Issue date Jul 13, 1982
- Masayuki Yasumura
- G05 - CONTROLLING REGULATING
Information Patent Grant
Antenna system with variable directivity
- Patent number 4,338,606
- Issue date Jul 6, 1982
- Sony Corporation
- Masahiro Tada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for improving the sharpness of a video picture
- Patent number 4,322,742
- Issue date Mar 30, 1982
- Sony Corporation
- Susumu Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remote control apparatus
- Patent number 4,322,855
- Issue date Mar 30, 1982
- Sony Corporation
- Takao Mogi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Muting circuit for a television receiver
- Patent number 4,280,139
- Issue date Jul 21, 1981
- Sony Corporation
- Takao Mogi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current control circuit
- Patent number 4,242,714
- Issue date Dec 30, 1980
- Sony Corporation
- Susumu Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for improving the frequency characteristic of a color telev...
- Patent number 4,223,342
- Issue date Sep 16, 1980
- Sony Corporation
- Takao Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current control circuit for horizontal deflection coil of televisio...
- Patent number 4,206,388
- Issue date Jun 3, 1980
- Sony Corporation
- Yoshio Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal reproducing apparatus with electron beam scanning velo...
- Patent number 4,170,785
- Issue date Oct 9, 1979
- Sony Corporation
- Susumu Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic recording and/or reproducing system
- Patent number RE29975
- Issue date Apr 24, 1979
- Sony Corporation
- Yoshio Ishigaki
- 358 - Facsimile and static presentation processing
Information Patent Grant
Color television receiver
- Patent number 4,101,928
- Issue date Jul 18, 1978
- Sony Corporation
- Tadashi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshio Ishigaki

Person

Patents Grantslast 30 patents

Apparatus for displaying scrolling images

Adjustable loop and dipole antenna

Television receiver

Loop antenna apparatus with variable directivity

Voltage regulator using saturable transformer

Antenna system with variable directivity

Method and apparatus for improving the sharpness of a video picture

Remote control apparatus

Muting circuit for a television receiver

Current control circuit

Circuit for improving the frequency characteristic of a color telev...

Current control circuit for horizontal deflection coil of televisio...

Video signal reproducing apparatus with electron beam scanning velo...

Magnetic recording and/or reproducing system

Color television receiver