Inventor · disambiguated record
Takayuki Sakakibara
Also filed as: SAKAKIBARA TAKAYUKI
16 granted patents·5 pending applications·204 citations·filing 1996–2011
94Inventor score
Top patents by PatentIndex Score
21 records- 0193US7407555B2Oil tempered wire for cold forming coil springsCHUO HATSUJO KK·Filed 2005·Granted Aug 5, 2008·14 cites·8 claims
- 0287US6193816B1Spring with corrosion fatigue strengthCHUO HATSUJO KK·Filed 1998·Granted Feb 27, 2001·32 cites·20 claims
- 0386US6224686B1High-strength valve spring and it's manufacturing methodCHUO HATSUJO KK·Filed 1999·Granted May 1, 2001·33 cites·22 claims
- 0485US7699943B2Method for manufacturing high-strength springCHUO HATSUJO KK·Filed 2004·Granted Apr 20, 2010·17 cites·19 claims
- 0583US8328169B2Spring steel and spring having superior corrosion fatigue strengthKUNO TAKANORI·Filed 2010·Granted Dec 11, 2012·7 cites·20 claims
- 0681US8349095B2Spring steel and spring having superior corrosion fatigue strengthCHUO HATSUJO KK·Filed 2010·Granted Jan 8, 2013·5 cites·20 claims
- 0781US7776440B2Spring coated with powder coating of epoxy resin and thermoplastic resinCHUO HATSUJO KK·Filed 2007·Granted Aug 17, 2010·10 cites·3 claims
- 0875US6090527AElectron beam exposure mask and method of manufacturing the same and electron beam exposure methodFUJITSU LTD·Filed 1998·Granted Jul 18, 2000·25 cites·9 claims
- 0974US8192840B2Spring with high durability and method of coating the sameKUNITA YASUHIKO·Filed 2010·Granted Jun 5, 2012·5 cites·32 claims
- 1074US5849437AElectron beam exposure mask and method of manufacturing the same and electron beam exposure methodFUJITSU LTD·Filed 1996·Granted Dec 15, 1998·24 cites·19 claims
- 1162US8936236B2Coil spring for automobile suspension and method of manufacturing the sameNAKANO TOMOHIRO·Filed 2010·Granted Jan 20, 2015·1 cites·21 claims
- 1260US7908081B2Navigation apparatus, navigation system and route search methodZANAVY INFORMATICS KK·Filed 2007·Granted Mar 15, 2011·4 cites·17 claims
- 1357US2007267112A1Cold-formed spring having high fatigue strength and high corrosion fatigue strength, steel for such spring, and method of manufacturing such springCHUO HATSUJO KK·Filed 2007·Application pending·0 cites
- 1455US5952155AMask and method of creating mask as well as electron-beam exposure method and electron-beam exposure deviceFUJITSU LTD·Filed 1998·Granted Sep 14, 1999·10 cites·37 claims
- 1550US2007116963A1Highly durable spring and method for coating sameROCK PAINT CO LTD·Filed 2004·Application pending·0 cites
- 1649US2004238074A1Cold-formed spring having high fatigue strength and high corrosion fatigue strength, steel for such spring, and method of manufacturing such springCHUO HATSUJO KK·Filed 2004·Application pending·0 cites
- 1747US6087048AMethod of producing block mask for electron-beam lithography apparatusesADVANTEST CORP·Filed 1999·Granted Jul 11, 2000·11 cites·4 claims
- 1846US8789817B2Spring steel and spring having superior corrosion fatigue strengthKUNO TAKANORI·Filed 2010·Granted Jul 29, 2014·0 cites·19 claims
- 1946US5824437AMask and method of creating mask as well as electron-beam exposure method and electron-beam exposure deviceFUJITSU LTD·Filed 1996·Granted Oct 20, 1998·6 cites·30 claims
- 2042US2013127099A1High-strength springMIMURA SHINGO·Filed 2011·Application pending·0 cites
- 2140US2012318409A1Solid stabilizer, steel material for solid stabilizer, and manufacturing method of solid stabilizerMIZUNO HIROYUKI·Filed 2011·Application pending·0 cites
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