Masakatsu Toyoshima

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information distribution system
- Patent number 7,779,442
- Issue date Aug 17, 2010
- Sony Corporation
- Keiji Fukuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication system, and apparatus, method, and computer pro...
- Patent number 7,233,804
- Issue date Jun 19, 2007
- Sony Corporation
- Shigeru Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication system, and apparatus, method, and computer pro...
- Patent number 6,980,819
- Issue date Dec 27, 2005
- Sony Corporation
- Shigeru Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing apparatus and signal receiving apparatus
- Patent number 6,779,195
- Issue date Aug 17, 2004
- Sony Corporation
- Katsumi Oishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing apparatus and method
- Patent number 6,587,503
- Issue date Jul 1, 2003
- Sony Corporation
- Isao Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two way communication system
- Patent number 4,958,381
- Issue date Sep 18, 1990
- Sony Corporation
- Masakatsu Toyoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passenger service and entertainment system for supplying frequency-...
- Patent number 4,866,515
- Issue date Sep 12, 1989
- Sony Corporation
- Koichi Tagawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Digital signal transmitting system
- Patent number 4,787,085
- Issue date Nov 22, 1988
- Nippon Telegraph & Telephone Corporation
- Kohichi Suto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital terminal address transmitting for CATV
- Patent number 4,684,981
- Issue date Aug 4, 1987
- Sony Corporation
- Masakatsu Toyoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scrambling system for an audio frequency signal
- Patent number 4,683,586
- Issue date Jul 28, 1987
- Sony Corporation
- Akira Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional digital signal communication system
- Patent number 4,635,274
- Issue date Jan 6, 1987
- Sony Corporation
- Ichiro Kubota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scrambling system for audio frequency signals
- Patent number 4,600,941
- Issue date Jul 15, 1986
- Sony Corporation
- Akira Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tuning apparatus
- Patent number 4,298,989
- Issue date Nov 3, 1981
- Sony Corporation
- Noboru Someno
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Radio communication system, and apparatus, method, and computer pro...
- Publication number 20050255844
- Publication date Nov 17, 2005
- Sony Corporation
- Shigeru Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio communication system, and apparatus, method, and computer pro...
- Publication number 20030186713
- Publication date Oct 2, 2003
- Shigeru Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING APPARATUS AND SIGNAL RECEIVING APPARATUS
- Publication number 20030133051
- Publication date Jul 17, 2003
- KATSUMI OISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masakatsu Toyoshima

Person

Patents Grantslast 30 patents

Information distribution system

Radio communication system, and apparatus, method, and computer pro...

Radio communication system, and apparatus, method, and computer pro...

Signal processing apparatus and signal receiving apparatus

Information processing apparatus and method

Two way communication system

Passenger service and entertainment system for supplying frequency-...

Digital signal transmitting system

Digital terminal address transmitting for CATV

Scrambling system for an audio frequency signal

Bidirectional digital signal communication system

Scrambling system for audio frequency signals

Tuning apparatus

Patents Applicationslast 30 patents

Radio communication system, and apparatus, method, and computer pro...

Radio communication system, and apparatus, method, and computer pro...

SIGNAL PROCESSING APPARATUS AND SIGNAL RECEIVING APPARATUS