Inventor

HAMAGUCHI YOSHIHIDE

JP4 patents

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

PIONEER CORP

2 patents

US7089546B2Aug 8, 2006

Upgrade for navigation data based on usage data or initialization of navigation data

PIONEER CORP10 citations71

US7133773B2Nov 7, 2006

Map distribution system and terminal device used in the same

PIONEER CORP3 citations60

PIONEER ELECTRONIC CORP

1 patent

US5691844ANov 25, 1997

Reflection mirror

PIONEER ELECTRONIC CORP36 citations88

IWAHORI YASUFUMI

1 patent

US9153130B2Oct 6, 2015

Information updating device, information distributing device, information processing system, method thereof, program thereof, and storage medium storing the program

IWAHORI YASUFUMI7 citations74