P

Inventor

KONISHI KATSUNARI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “KONISHI KATSUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

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