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Ring-shaped speaker having two voice coils and control member |
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2015-03-17 |
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Substrate attenuator circuit |
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2013-01-22 |
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Billing system capable of being connected to an output apparatus having printing function and copy function via a network server apparatus capable of being connected to an output apparatus having printing function and copy function via a network and method of billing by system capable of being connected to an output apparatus having printing function and copy function via a network |
Takashi Kaneko, Hayato Sakae |
2012-11-27 |
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Servo write method and servo write system for hard-disk drive |
Yasunori Nishimoto, Yoshiteru Katsumura, Hiroshi Fukuyama |
2011-06-07 |
| 7684586 |
Dual voice coil speaker |
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2010-03-23 |
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Loudspeaker system |
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2009-12-08 |
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Speaker |
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2008-10-07 |
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Disk unit and manufacturing method thereof |
Osama Takazawa, Kaoru Umemura, Kazuhiko Washizu |
2008-09-09 |
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Kei Tanabe |
2000-12-12 |
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Magnetic drive apparatus and method for manufacturing coil that forms the apparatus |
Kei Tanabe |
1999-08-10 |