Inventor · disambiguated record
Naoya Iwama
Also filed as: IWAMA NAOYA
6 granted patents·187 citations·filing 1990–2002
86Inventor score
Top patents by PatentIndex Score
6 records- 0193US6259046B1Sheet with movable contacts and sheet switchALPS ELECTRIC CO LTD·Filed 2000·Granted Jul 10, 2001·62 cites·4 claims
- 0284US6271491B1Push button switch including dome-shaped movable contact having reverse functionALPS ELECTRIC CO LTD·Filed 2000·Granted Aug 7, 2001·32 cites·6 claims
- 0380US6548779B2Sheet having moving contacts and sheet switchALPS ELECTRIC CO LTD·Filed 2001·Granted Apr 15, 2003·24 cites·5 claims
- 0478US5510810ADisplay screen control apparatusALPS ELECTRIC CO LTD·Filed 1994·Granted Apr 23, 1996·36 cites·10 claims
- 0570US6768074B2Easily peelable sheet having contact plates and switch device employing the sameALPS ELECTRIC CO LTD·Filed 2002·Granted Jul 27, 2004·17 cites·6 claims
- 0646US5104426AMethod of and apparatus for separating gas mixtureHITACHI LTD·Filed 1990·Granted Apr 14, 1992·16 cites·22 claims
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