Inventor

KUMAZAKI YOJI

JP2 patents

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

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

US7401232B2Jul 15, 2008

Content playback apparatus method and program and key management apparatus and system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations91

PANASONIC CORP

1 patent

US7860255B2Dec 28, 2010

Content distribution server, key assignment method, content output apparatus, and key issuing center

PANASONIC CORP4 citations61