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Inventor

IRIE TAKAAKI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “IRIE TAKAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAMATO KOGYO KK

5 patents
US6138958AOct 31, 2000

Spring rail frog

YAMATO KOGYO KK12 citations68
US5782437AJul 21, 1998

Spring rail frog having bendable rail with modified cross-section

YAMATO KOGYO KK10 citations68
US5704570AJan 6, 1998

Welded nose rail used for crossing

YAMATO KOGYO KK14 citations68
US6257494B1Jul 10, 2001

Base structure of a turnout

YAMATO KOGYO KK14 citations62
US5820702AOct 13, 1998

Welded nose rail used for crossing

YAMATO KOGYO KK5 citations57

SEKI MASAKI

3 patents
US8485452B2Jul 16, 2013

Guard rail apparatus for guiding derailed wheels

SEKI MASAKI0 citations46
US8302877B2Nov 6, 2012

Wheel guard device

SEKI MASAKI0 citations46
US8418932B2Apr 16, 2013

Wheel guard apparatus

SEKI MASAKI1 citations45

TOKAI RYOKAKU TETSUDO KK

1 patent
US7891577B2Feb 22, 2011

Safety device for a train

TOKAI RYOKAKU TETSUDO KK8 citations79