Inventor

TAKENAKA TOYOHIRO

JP3 patents

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

PIONEER CORP

2 patents

US6868334B2Mar 15, 2005

Map data providing apparatus, map data installing terminal device, and communication-type navigation apparatus

PIONEER CORP15 citations81

US6741930B2May 25, 2004

Communication navigation system and method, program storage device and computer data signal embodied in carrier wave

PIONEER CORP2 citations60

INCREMENT P CORP

1 patent

US6889134B2May 3, 2005

Communication-type navigation apparatus and server device

INCREMENT P CORP39 citations90