Yasuomi Tanaka — 10 Patents at Yamaha

Yasuomi Tanaka has been granted 10 US patents while listed as an inventor at Yamaha. The first was granted in 2001 and the most recent in November 2011. Yasuomi Tanaka ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Yasuomi Tanaka in Hamamatsu, JP.

Patents per Year

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
8059834	Automatic gain control circuit	Nobuaki Tsuji, Hirotaka Kawai	2011-11-15
7990211	Class D amplifier circuit	Hirotaka Kawai, Nobuaki Tsuji	2011-08-02
7924089	Offset voltage correction circuit and class D amplifier	Nobuaki Tsuji, Hirotaka Kawai	2011-04-12
7912112	Spectrum spreading circuit	Hirotaka Kawai, Nobuaki Tsuji	2011-03-22
7830182	Comparator	Masaya Suzuki, Nobuaki Tsuji, Hirotaka Kawai	2010-11-09
7816992	Offset voltage correction circuit and class D amplifier	Nobuaki Tsuji, Hirotaka Kawai	2010-10-19
6937091	Class D amplifier	Masao Noro	2005-08-30
6859096	Class D amplifier	Masao Noro	2005-02-22
6317365	Semiconductor memory cell	—	2001-11-13
6307788	Semiconductor memory cell having read/write circuit capable of performing random access	—	2001-10-23