Tamotsu Jitosho

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light-emitting device and method of manufacturing the...
- Patent number 6,846,686
- Issue date Jan 25, 2005
- Kabushiki Kaisha Toshiba
- Ryo Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device
- Patent number 6,586,773
- Issue date Jul 1, 2003
- Kabushiki Kaisha Toshiba
- Ryo Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording system providing a magnetic head having opposite...
- Patent number 5,933,299
- Issue date Aug 3, 1999
- Kabushiki Kaisha Toshiba
- Tsutomu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system providing a magnetic head having opposite...
- Patent number 5,659,446
- Issue date Aug 19, 1997
- Kabushiki Kaisha Toshiba
- Tsutomu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system providing a magnetic head having opposite...
- Patent number 5,396,391
- Issue date Mar 7, 1995
- Kabushiki Kaisha Toshiba
- Tsutomu Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Waveform processing system and method for recording digital informa...
- Patent number 5,255,133
- Issue date Oct 19, 1993
- Kabushiki Kaisha Toshiba
- Kazuyoshi Yamamori
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor light-emitting device and method of manufacturing the...
- Publication number 20030201449
- Publication date Oct 30, 2003
- Ryo Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor light-emitting device and method of manufacturing the...
- Publication number 20020050601
- Publication date May 2, 2002
- Kabushiki Kaisha Toshiba
- Ryo Saeki
- H01 - BASIC ELECTRIC ELEMENTS