Inventor · disambiguated record
Nobuyo Sakai
Also filed as: SAKAI NOBUYO
6 granted patents·1 pending application·112 citations·filing 1990–2010
83Inventor score
Top patents by PatentIndex Score
7 records- 0183US7231791B2Electric cylinder for actuating a door lock and a cylinder door lockSAKAI NOBUYO·Filed 2004·Granted Jun 19, 2007·41 cites·3 claims
- 0273US5170907APersonal security caseSAKAI NOBUYO·Filed 1991·Granted Dec 15, 1992·46 cites·10 claims
- 0361US7414539B2Simple alarm deviceSAKAI NOBUYO·Filed 2006·Granted Aug 19, 2008·3 cites·7 claims
- 0459US8341986B2Key box constructionKEIDEN SECURITY KIKIHANBAI KABUSHIKI KAISHA·Filed 2010·Granted Jan 1, 2013·4 cites·8 claims
- 0557US6474121B2Lock setting changing unitKEIDEN SANGYO CO LTD·Filed 2001·Granted Nov 5, 2002·13 cites·3 claims
- 0651US2010154494A1Connecting adaptor for electric cylinder corresponding to mortise lockKEIDEN SANGYO CO LTD·Filed 2009·Application pending·0 cites
- 0728US5212464AMagnetic card switchSAKAI NOBUYO·Filed 1990·Granted May 18, 1993·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →