Assignee
SUGAWARA KEITARO
JP·2 granted patents·2 citations·filing 2007–2009
Top patents by PatentIndex Score
2 records- 0147US8861741B2Acoustic device, noise control method, noise control program, and recording mediumSUGAWARA KEITARO·Filed 2009·Granted Oct 14, 2014·1 cites·5 claims
- 0247US8194860B2Audio signal processing system and surround signal generation methodSUGAWARA KEITARO·Filed 2007·Granted Jun 5, 2012·1 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when SUGAWARA KEITARO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →