Tomohisa Yokogawa

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mobile antenna unit
- Patent number 4,757,322
- Issue date Jul 12, 1988
- Pioneer Electronic Corporation
- Tomohisa Yokogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna switching circuit for a diversity receiving system and bran...
- Patent number 4,656,364
- Issue date Apr 7, 1987
- Pioneer Electronic Corporation
- Tomohisa Yokogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manual tuning pulse generator
- Patent number 4,263,581
- Issue date Apr 21, 1981
- Pioneer Electronic Corporation
- Masanao Okatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Magnetic tape running state and tape run amount display device
- Patent number 4,237,373
- Issue date Dec 2, 1980
- Pioneer Electronic Corporation
- Masanao Okatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiband radio receiver with electronic preset tuning system
- Patent number 4,232,395
- Issue date Nov 4, 1980
- Pioneer Electronic Corporation
- Tomohisa Yokogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic tuning type receiver having a band display and numerical...
- Patent number 4,225,968
- Issue date Sep 30, 1980
- Pioneer Electronic Corporation
- Masanao Okatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electrostatic destruction preventing circuit for use in a receiver
- Patent number 4,214,211
- Issue date Jul 22, 1980
- Pioneer Electronic Corporation
- Tomohisa Yokogawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Combination device having a magnetic recording and reproducing unit...
- Patent number 4,205,353
- Issue date May 27, 1980
- Pioneer Electronic Corporation
- Masanao Okatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Station selection indicating device
- Patent number 4,205,270
- Issue date May 27, 1980
- Pioneer Electronic Corporation
- Masanao Okatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Muting circuit in an electronic tuning type receiver
- Patent number 4,204,169
- Issue date May 20, 1980
- Pioneer Electronic Corporation
- Reisuke Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Preset state indicating unit in an electronic tuning type receiver
- Patent number 4,196,395
- Issue date Apr 1, 1980
- Pioneer Electronic Corporation
- Masanao Okatani
- H03 - BASIC ELECTRONIC CIRCUITRY

Tomohisa Yokogawa

Person

Patents Grantslast 30 patents

Mobile antenna unit

Antenna switching circuit for a diversity receiving system and bran...

Manual tuning pulse generator

Magnetic tape running state and tape run amount display device

Multiband radio receiver with electronic preset tuning system

Electronic tuning type receiver having a band display and numerical...

Electrostatic destruction preventing circuit for use in a receiver

Combination device having a magnetic recording and reproducing unit...

Station selection indicating device

Muting circuit in an electronic tuning type receiver

Preset state indicating unit in an electronic tuning type receiver