Toshiyuki Imagawa

Person

Toda, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Earphone antenna and wireless device including the same
- Patent number 7,911,401
- Issue date Mar 22, 2011
- Sony Corporation
- Yoshitaka Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone antenna and wireless device including the same
- Patent number 7,671,813
- Issue date Mar 2, 2010
- Sony Corporation
- Yoshitaka Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone antenna, composite coil and coaxial cable used therefor, a...
- Patent number 7,236,137
- Issue date Jun 26, 2007
- Sony Corporation
- Yoshitaka Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna apparatus
- Patent number 6,720,924
- Issue date Apr 13, 2004
- The Furukawa Electric Co., Ltd.
- Isao Tomomatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Small antenna
- Patent number 6,693,604
- Issue date Feb 17, 2004
- The Furukawa Electric Co., Ltd.
- Takanori Washiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna and manufacturing method of the same
- Patent number 6,630,906
- Issue date Oct 7, 2003
- The Furukawa Electric Co., Ltd.
- Isao Tomomatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultrasonic-wave distance measuring method and apparatus of separate...
- Patent number 6,279,396
- Issue date Aug 28, 2001
- Sony Corporation
- Toshiyuki Imagawa
- G01 - MEASURING TESTING
Information Patent Grant
Automatic frequency control circuit in a stereo FM radio receiver
- Patent number 4,620,315
- Issue date Oct 28, 1986
- Clarion Co., Ltd.
- Toshiyuki Imagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto-scan changeover system for two-band radio receiver employing P...
- Patent number 4,527,281
- Issue date Jul 2, 1985
- Clarion Co., Ltd.
- Toshiyuki Imagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Plug connector assembly
- Patent number 4,396,242
- Issue date Aug 2, 1983
- Clarion Co., Ltd.
- Kazuyuki Kurano
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Earphone antenna and wireless device including the same
- Publication number 20100141538
- Publication date Jun 10, 2010
- SONY CORPORATION
- Yoshitaka Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Earphone antenna and wrieless device including the same
- Publication number 20070171134
- Publication date Jul 26, 2007
- SONY CORPORATION
- Yoshitaka Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Earphone antenna, composite coil used therefor coaxial cable and ra...
- Publication number 20060071869
- Publication date Apr 6, 2006
- Sony Corporation
- Yoshitaka Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Antenna apparatus
- Publication number 20020149538
- Publication date Oct 17, 2002
- Isao Tomomatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Chip antenna and manufacturing method of the same
- Publication number 20020027530
- Publication date Mar 7, 2002
- Isao Tomomatsu
- H01 - BASIC ELECTRIC ELEMENTS

Toshiyuki Imagawa

Person

Patents Grantslast 30 patents

Earphone antenna and wireless device including the same

Earphone antenna and wireless device including the same

Earphone antenna, composite coil and coaxial cable used therefor, a...

Antenna apparatus

Small antenna

Chip antenna and manufacturing method of the same

Ultrasonic-wave distance measuring method and apparatus of separate...

Automatic frequency control circuit in a stereo FM radio receiver

Auto-scan changeover system for two-band radio receiver employing P...

Plug connector assembly

Patents Applicationslast 30 patents

Earphone antenna and wireless device including the same

Earphone antenna and wrieless device including the same

Earphone antenna, composite coil used therefor coaxial cable and ra...

Antenna apparatus

Chip antenna and manufacturing method of the same