Inventor · disambiguated record
Akira Sakamaki
Also filed as: SAKAMAKI AKIRA
26 granted patents·2 pending applications·508 citations·filing 1994–2014
97Inventor score
Files withYUKIWA SEIKO KK20NIPPON SEIKI CO LTD3SAKAMAKI KAZUO2YUKIWA SEIKO INC2YUKIWA A SEIKO KABUSHIKI KAISH1
Top patents by PatentIndex Score
28 records- 0193US7845428B2Rotating toolYUKIWA SEIKO KK·Filed 2006·Granted Dec 7, 2010·37 cites·20 claims
- 0291US6843485B2Chuck deviceYUKIWA SEIKO KK·Filed 2002·Granted Jan 18, 2005·42 cites·8 claims
- 0391US6659474B2Chuck deviceYUKIWA SEIKO KK·Filed 2001·Granted Dec 9, 2003·45 cites·5 claims
- 0489US5615899AChuck apparatusYUKIWA SEIKO KK·Filed 1995·Granted Apr 1, 1997·66 cites·8 claims
- 0588US9016988B2Tool holderSAKAMAKI KAZUO·Filed 2010·Granted Apr 28, 2015·8 cites·15 claims
- 0688US9016699B2Chuck deviceSAKAMAKI KAZUO·Filed 2010·Granted Apr 28, 2015·9 cites·10 claims
- 0788US6824141B1Chuck deviceYUKIWA SEIKO KK·Filed 2003·Granted Nov 30, 2004·37 cites·11 claims
- 0887US7497444B2Chuck deviceYUKIWA SEIKO KK·Filed 2005·Granted Mar 3, 2009·17 cites·18 claims
- 0983USD423527SDrill chuckYUKIWA SEIKO KK·Filed 1999·Granted Apr 25, 2000·25 cites·1 claims
- 1080US7178216B2Keyless chuck and associated methodYUKIWA SEIKO INC·Filed 2005·Granted Feb 20, 2007·10 cites·10 claims
- 1180US6959931B2Keyless chuck and associated methodYUKIWA SEIKO INC·Filed 2003·Granted Nov 1, 2005·21 cites·12 claims
- 1279US6711950B1Liquid level detectorNIPPON SEIKI CO LTD·Filed 2000·Granted Mar 30, 2004·27 cites·15 claims
- 1375USD426840SDrill chuckYUKIWA SEIKO KK·Filed 1999·Granted Jun 20, 2000·18 cites·1 claims
- 1469US6902171B2Chuck deviceYUKIWA SEIKO KK·Filed 2002·Granted Jun 7, 2005·25 cites·8 claims
- 1563US9752920B2Liquid-surface detection deviceNIPPON SEIKI CO LTD·Filed 2014·Granted Sep 5, 2017·2 cites·6 claims
- 1662US6022029AChuck assemblyYUKIWA SEIKO KK·Filed 1998·Granted Feb 8, 2000·23 cites·6 claims
- 1760US6217033B1Chuck deviceYUKIWA SEIKO KK·Filed 1999·Granted Apr 17, 2001·22 cites·9 claims
- 1860USD409067SDrill chuckYUKIWA SEIKO KK·Filed 1998·Granted May 4, 1999·10 cites·1 claims
- 1959USD593390SDrill chuckYUKIWA SEIKO KK·Filed 2008·Granted Jun 2, 2009·10 cites·1 claims
- 2057US9539648B2Chuck deviceYUKIWA SEIKO KK·Filed 2014·Granted Jan 10, 2017·0 cites·8 claims
- 2156US7207573B2Chuck assemblyYUKIWA SEIKO KK·Filed 2003·Granted Apr 24, 2007·7 cites·19 claims
- 2255US5540453AChucking apparatusYUKIWA SEIKO KK·Filed 1994·Granted Jul 30, 1996·17 cites·12 claims
- 2354US6584515B1NC controlling system with independent programs for appended equipmentYUKIWA SEIKO KK·Filed 2000·Granted Jun 24, 2003·6 cites·9 claims
- 2452US6651534B1NC circular table and NC circular table apparatusYUKIWA SEIKO KK·Filed 2000·Granted Nov 25, 2003·5 cites·15 claims
- 2543US6264208B1Chuck assemblyYUKIWA SEIKO KK·Filed 1999·Granted Jul 24, 2001·15 cites·15 claims
- 2643USD423528SDrill chuckYUKIWA SEIKO KK·Filed 1999·Granted Apr 25, 2000·4 cites·1 claims
- 2743US2011016970A1Liquid level detecting deviceNIPPON SEIKI CO LTD·Filed 2009·Application pending·0 cites
- 2843US2006091620A1Chuck deviceYUKIWA A SEIKO KABUSHIKI KAISH·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →