Inventor

HISAMATSU RYUICHIRO

JP3 patents

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

SONY CORP

2 patents

US7493648B2Feb 17, 2009

Data transmission device, data receiving device, data transmitting method, data receiving method, recording device, playback device, recording method, and playback method

SONY CORP45 citations95

US7467097B2Dec 16, 2008

Business management method, business management apparatus and data broadcast delivery method

SONY CORP10 citations82

HISAMATSU RYUICHIRO

1 patent

US8074254B2Dec 6, 2011

Recording device, playback device, recording method and playback method

HISAMATSU RYUICHIRO2 citations56