Koichi Tagawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data receiver, data transmission system, and data transmitting meth...
- Patent number 6,681,363
- Issue date Jan 20, 2004
- Sony Corporation
- Tamotsu Ikeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple audio and video signal providing apparatus
- Patent number 5,666,151
- Issue date Sep 9, 1997
- Sony Corporation
- Yoshiyuki Kondo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple audio and video signal providing apparatus
- Patent number 5,600,365
- Issue date Feb 4, 1997
- Sony Corporation
- Yoshiyuki Kondo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal display with back light and conductive diffuser
- Patent number 5,214,522
- Issue date May 25, 1993
- Sony Corporation
- Koichi Tagawa
- G02 - OPTICS
Information Patent Grant
Passenger vehicle polling system having a central unit for polling...
- Patent number 4,896,209
- Issue date Jan 23, 1990
- Sony Corporation
- Atsushi Matsuzaki
- B64 - AIRCRAFT AVIATION COSMONAUTICS
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