Assignee
KAI USA LTD
US·57 granted patents·2 pending applications·1,895 citations·filing 1997–2023
Top patents by PatentIndex Score
59 records- 0198US6591504B2Folding knife with safety lockKAI USA LTD·Filed 2001·Granted Jul 15, 2003·112 cites·13 claims
- 0298US6397476B1Opening and closing assisting mechanism for a folding knifeKAI USA LTD·Filed 2000·Granted Jun 4, 2002·123 cites·45 claims
- 0396US7979990B2Safety lock mechanism for folding knivesKAI USA LTD·Filed 2008·Granted Jul 19, 2011·54 cites·19 claims
- 0496USD488045SPocket knifeKAI USA LTD·Filed 2002·Granted Apr 6, 2004·80 cites·1 claims
- 0596US6378214B1Locking knife blade with moving locking mechanism on bladeKAI USA LTD·Filed 2000·Granted Apr 30, 2002·104 cites·26 claims
- 0696US6338431B1Locking knife blade with moving locking mechanism on bladeKAI USA LTD·Filed 2000·Granted Jan 15, 2002·102 cites·28 claims
- 0796US6145202AOpening and closing assisting mechansim for folding knifeKAI USA LTD·Filed 1998·Granted Nov 14, 2000·143 cites·34 claims
- 0894USD454768SPocket knife bladeKAI USA LTD·Filed 2001·Granted Mar 26, 2002·40 cites·1 claims
- 0993US7905022B2Folding knife having a locking mechanismKAI USA LTD·Filed 2010·Granted Mar 15, 2011·24 cites·17 claims
- 1092USD438085SPocket knifeKAI USA LTD·Filed 1999·Granted Feb 27, 2001·29 cites·1 claims
- 1192US6006385AMulti-toolKAI USA LTD·Filed 1997·Granted Dec 28, 1999·102 cites·23 claims
- 1290US7458159B2Folding knife having a locking mechanismKAI USA LTD·Filed 2005·Granted Dec 2, 2008·37 cites·14 claims
- 1390USD479104SKnifeKAI USA LTD·Filed 2002·Granted Sep 2, 2003·42 cites·1 claims
- 1489US10071489B2Locking folding knifeKAI USA LTD·Filed 2015·Granted Sep 11, 2018·11 cites·19 claims
- 1589USD566222SKnifeKAI USA LTD·Filed 2007·Granted Apr 8, 2008·42 cites·1 claims
- 1688US7774939B1Stud-lock knifeKAI USA LTD·Filed 2005·Granted Aug 17, 2010·29 cites·20 claims
- 1788US7681316B2Folding knife having a locking mechanismKAI USA LTD·Filed 2005·Granted Mar 23, 2010·23 cites·15 claims
- 1887US7574804B2Knife with sliding blade and disengageable deployment mechanismKAI USA LTD·Filed 2006·Granted Aug 18, 2009·38 cites·22 claims
- 1986USD484770SCarabiner knifeKAI USA LTD·Filed 2002·Granted Jan 6, 2004·65 cites·1 claims
- 2084USD450228SPocket knifeKAI USA LTD·Filed 2001·Granted Nov 13, 2001·21 cites·1 claims
- 2183USD595557SFolding knifeKAI USA LTD·Filed 2008·Granted Jul 7, 2009·29 cites·1 claims
- 2282US8028873B2Ratchet type pocket clipKAI USA LTD·Filed 2007·Granted Oct 4, 2011·10 cites·5 claims
- 2382USD581732SRound-ended santoku knifeKAI USA LTD·Filed 2008·Granted Dec 2, 2008·30 cites·1 claims
- 2482USD467783SSurface ornamentation for a knife handleKAI USA LTD·Filed 2001·Granted Dec 31, 2002·27 cites·1 claims
- 2581USD581733SRound-ended slicing knifeKAI USA LTD·Filed 2008·Granted Dec 2, 2008·28 cites·1 claims
- 2681USD569212SFolding knifeKAI USA LTD·Filed 2007·Granted May 20, 2008·27 cites·1 claims
- 2781US7370421B2Folding knife with removable bladeKAI USA LTD·Filed 2003·Granted May 13, 2008·39 cites·13 claims
- 2881US7340838B2Folding knife with safety lockKAI USA LTD·Filed 2003·Granted Mar 11, 2008·28 cites·18 claims
- 2980USD572542SUtility knifeKAI USA LTD·Filed 2007·Granted Jul 8, 2008·27 cites·1 claims
- 3078US7506446B2Locking mechanism for a folding knifeKAI USA LTD·Filed 2004·Granted Mar 24, 2009·29 cites·37 claims
- 3177USD579731SKnife bladeKAI USA LTD·Filed 2006·Granted Nov 4, 2008·22 cites·1 claims
- 3277USD560994SKnifeKAI USA LTD·Filed 2006·Granted Feb 5, 2008·25 cites·1 claims
- 3376US7395599B2Blade-assisting mechanism for a folding knifeKAI USA LTD·Filed 2004·Granted Jul 8, 2008·27 cites·22 claims
- 3476USD437197SScissorsKAI USA LTD·Filed 1999·Granted Feb 6, 2001·18 cites·1 claims
- 3576USD392131SRemovable shelf for a display caseKAI USA LTD·Filed 1997·Granted Mar 17, 1998·22 cites·1 claims
- 3675USD570180SFolding knifeKAI USA LTD·Filed 2006·Granted Jun 3, 2008·25 cites·1 claims
- 3774USD572562SFolding knifeKAI USA LTD·Filed 2007·Granted Jul 8, 2008·20 cites·1 claims
- 3873USD554437SKnifeKAI USA LTD·Filed 2006·Granted Nov 6, 2007·19 cites·1 claims
- 3973US6412130B1Multi-toolKAI USA LTD·Filed 1999·Granted Jul 2, 2002·30 cites·29 claims
- 4071US7296355B2Adjustable blade-assisting mechanism for a folding knifeKAI USA LTD·Filed 2004·Granted Nov 20, 2007·20 cites·25 claims
- 4170US9707687B2Folding knife with disengageable assisted-opening mechanismKAI USA LTD·Filed 2015·Granted Jul 18, 2017·2 cites·16 claims
- 4270USD607298SGut hookKAI USA LTD·Filed 2009·Granted Jan 5, 2010·17 cites·1 claims
- 4369USD455062SPocket knifeKAI USA LTD·Filed 2001·Granted Apr 2, 2002·10 cites·1 claims
- 4468USD575614SKnifeKAI USA LTD·Filed 2007·Granted Aug 26, 2008·17 cites·1 claims
- 4567US9393682B2Folding tool assemblyKAI USA LTD·Filed 2013·Granted Jul 19, 2016·3 cites·20 claims
- 4666USD593373SParing knife bladeKAI USA LTD·Filed 2008·Granted Jun 2, 2009·15 cites·1 claims
- 4766USD454043SPocket knife bladeKAI USA LTD·Filed 2001·Granted Mar 5, 2002·9 cites·1 claims
- 4864USD517892SKnife clipKAI USA LTD·Filed 2004·Granted Mar 28, 2006·14 cites·1 claims
- 4962USD559045SKnifeKAI USA LTD·Filed 2006·Granted Jan 8, 2008·12 cites·1 claims
- 5059USD581734SRound-ended steak knifeKAI USA LTD·Filed 2008·Granted Dec 2, 2008·11 cites·1 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →