Inventor · disambiguated record
Hirofumi Koizumi
Also filed as: KOIZUMI HIROFUMI
10 granted patents·66 citations·filing 2000–2013
87Inventor score
Top patents by PatentIndex Score
10 records- 0177US8921723B2Slide switchHOSIDEN CORP·Filed 2013·Granted Dec 30, 2014·4 cites·7 claims
- 0274US8952279B2Slide switchHOSIDEN CORP·Filed 2013·Granted Feb 10, 2015·3 cites·6 claims
- 0374US7498527B2Compound operation input deviceHOSIDEN CORP·Filed 2007·Granted Mar 3, 2009·7 cites·10 claims
- 0474US6951991B2Movable contact for a push-on switch, and push-on switchHOSIDEN CORP·Filed 2004·Granted Oct 4, 2005·19 cites·6 claims
- 0573US6381815B1Buckle with non-contact switchTAKATA CORP·Filed 2000·Granted May 7, 2002·23 cites·4 claims
- 0668US8952283B2Slide switchHOSIDEN CORP·Filed 2013·Granted Feb 10, 2015·2 cites·5 claims
- 0765US8327512B2Slide switch for buckle apparatusYAMANAKA SATOSHI·Filed 2010·Granted Dec 11, 2012·3 cites·4 claims
- 0863US8362382B2Push-button switchHOSIDEN CORP·Filed 2009·Granted Jan 29, 2013·3 cites·5 claims
- 0953US9616847B2On/off detecting buckle switchHOSIDEN CORP·Filed 2013·Granted Apr 11, 2017·1 cites·1 claims
- 1053US9266499B2On/off detecting buckle switchHOSIDEN CORP·Filed 2013·Granted Feb 23, 2016·1 cites·2 claims
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