Inventor

KATSUKAWA KEIKO

JP2 patents

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

SEKIYAMA HIROAKI

1 patent

US8510036B2Aug 13, 2013

Information providing device and information providing system

SEKIYAMA HIROAKI4 citations57

SUGIYAMA SHINJI

1 patent

US8649946B2Feb 11, 2014

In-vehicle apparatus and information processing center

SUGIYAMA SHINJI0 citations37