Inventor
HASUNUMA SEIGO
JP8 patents
Patents
8 patentsUS6068416AMay 30, 2000
Keyboard switch
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US6657139B2Dec 2, 2003
Keyboard
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US5912443AJun 15, 1999
Membrane type keyboard with improved multiple key arrangement
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US5799772ASep 1, 1998
Pantograph type keyboard switch
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US5758763AJun 2, 1998
Pantograph type keyboard switch
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US6504121B2Jan 7, 2003
Keyboard switch having leg dislodgement preventing mechanism
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US7097371B2Aug 29, 2006
Keytop
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US5763841AJun 9, 1998
Membrane type keyboard with improved multiple key arrangement
HOSIDEN CORP14 citations72