Ryo Ito

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wireless communication device with an improved antenna structure
- Patent number 6,990,363
- Issue date Jan 24, 2006
- NEC Corporation
- Ryo Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method for recording, reproducing and displaying a vi...
- Patent number 6,427,048
- Issue date Jul 30, 2002
- Sony Corporation
- Ryo Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
TV receiver having recording/reproducing functions and method of re...
- Patent number 6,204,886
- Issue date Mar 20, 2001
- Sony Corporation
- Kosuke Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiband antenna with a distributed-constant dielectric resonant c...
- Patent number 6,011,516
- Issue date Jan 4, 2000
- Tokin Corporation
- Kazuo Minegishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for explaining an exhibit using spectacle-type displays
- Patent number 5,691,737
- Issue date Nov 25, 1997
- Sony Corporation
- Ryo Ito
- G02 - OPTICS
Information Patent Grant
Image display apparatus
- Patent number 5,451,976
- Issue date Sep 19, 1995
- Sony Corporation
- Ryo Ito
- G02 - OPTICS
Information Patent Grant
Mode processing circuit
- Patent number 4,794,471
- Issue date Dec 27, 1988
- Sony Corporation
- Keiichiro Shimada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Wireless communication device with an improved antenna structure
- Publication number 20020068603
- Publication date Jun 6, 2002
- NEC Corporation
- Ryo Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VIDEO APPARATUS, DISPLAY METHOD, RECORDING METHOD AND REPRODUCING M...
- Publication number 20010014203
- Publication date Aug 16, 2001
- RYO ITO
- G11 - INFORMATION STORAGE