Toshio Kikukawa

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Hanno, JP

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Patents Grantslast 30 patents

Information Patent Grant
Expansion device with power cord and guide groove for expanding fun...
- Patent number 5,321,580
- Issue date Jun 14, 1994
- Kabushiki Kaisha Toshiba
- Takashi Hosoi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Expansion device for expanding functions of compact electronic appa...
- Patent number 5,210,681
- Issue date May 11, 1993
- Kabushiki Kaisha Toshiba
- Takashi Hosoi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic apparatus system including an expansion device removably...
- Patent number 5,153,817
- Issue date Oct 6, 1992
- Kabushiki Kaisha Toshiba
- Takashi Hosoi
- G06 - COMPUTING CALCULATING COUNTING