Inventor · disambiguated record
Takaaki Irie
Also filed as: IRIE TAKAAKI
9 granted patents·64 citations·filing 1993–2011
86Inventor score
Technology areasE01B
Top patents by PatentIndex Score
9 records- 0183US7891577B2Safety device for a trainTOKAI RYOKAKU TETSUDO KK·Filed 2006·Granted Feb 22, 2011·8 cites·6 claims
- 0259US5704570AWelded nose rail used for crossingYAMATO KOGYO KK·Filed 1993·Granted Jan 6, 1998·14 cites·4 claims
- 0356US8418932B2Wheel guard apparatusSEKI MASAKI·Filed 2008·Granted Apr 16, 2013·1 cites·6 claims
- 0449US8302877B2Wheel guard deviceSEKI MASAKI·Filed 2011·Granted Nov 6, 2012·0 cites·1 claims
- 0548US8485452B2Guard rail apparatus for guiding derailed wheelsSEKI MASAKI·Filed 2011·Granted Jul 16, 2013·0 cites·4 claims
- 0636US6138958ASpring rail frogYAMATO KOGYO KK·Filed 1998·Granted Oct 31, 2000·12 cites·12 claims
- 0733US6257494B1Base structure of a turnoutYAMATO KOGYO KK·Filed 1999·Granted Jul 10, 2001·14 cites·3 claims
- 0833US5782437ASpring rail frog having bendable rail with modified cross-sectionYAMATO KOGYO KK·Filed 1996·Granted Jul 21, 1998·10 cites·17 claims
- 0927US5820702AWelded nose rail used for crossingYAMATO KOGYO KK·Filed 1996·Granted Oct 13, 1998·5 cites·20 claims
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