Toru Marumoto — 8 Patents at Alpine Electronics

Toru Marumoto has been granted 8 US patents while listed as an inventor at Alpine Electronics. The first was granted in 2006 and the most recent in December 2019. Toru Marumoto ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Toru Marumoto in Iwaki, JP.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
10515053	Electronic device and database constructing method	Koji Furukawa	2019-12-24
10319393	Speech recognition system and gain setting system	Hirokazu Suzuki	2019-06-11
8249259	Voice intelligibility enhancement system and voice intelligibility enhancement method	Nozomu Saito	2012-08-21
7747028	Apparatus and method for improving voice clarity	Nozomu Saito	2010-06-29
7552050	Speech recognition system and method utilizing adaptive cancellation for talk-back voice	Shuichi Matsumoto	2009-06-23
7516065	Apparatus and method for correcting a speech signal for ambient noise in a vehicle	—	2009-04-07
7486797	Audio correcting apparatus	Nozomu Saito	2009-02-03
7050591	Acoustic output processing apparatus	—	2006-05-23

Toru Marumoto — 8 Patents

Issued Patents All Time

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