Inventor

ASHIWA HIROAKI

JP2 patents

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

TAJIMA HIDEHARU

1 patent

US8437243B2May 7, 2013

Optical information recording medium

TAJIMA HIDEHARU0 citations38

PANASONIC CORP

1 patent

US7933189B2Apr 26, 2011

Focus optical system and optical disc master exposure apparatus

PANASONIC CORP0 citations32