Assignee
ARAI AKIRA
JP·4 granted patents·63 citations·filing 1981–2011
Top patents by PatentIndex Score
4 records- 0185US8938084B2Speaker device, sound source simulation system, and echo cancellation systemARAI AKIRA·Filed 2011·Granted Jan 20, 2015·9 cites·11 claims
- 0284US4468720AVariable mask device for an illuminatorARAI AKIRA·Filed 1981·Granted Aug 28, 1984·38 cites·7 claims
- 0352US4839783ALighting apparatusARAI AKIRA·Filed 1988·Granted Jun 13, 1989·16 cites·6 claims
- 0450US8430200B2Speaker apparatusARAI AKIRA·Filed 2011·Granted Apr 30, 2013·0 cites·5 claims
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