KA

Kohei Asada

SO Sony: 158 patents #46 of 25,231Top 1%
SC Sumitomo Chemical: 9 patents #537 of 4,033Top 15%
Overall (All Time): #4,949 of 4,157,543Top 1%
167
Patents All Time

Issued Patents All Time

Showing 151–167 of 167 patents

Patent #TitleCo-InventorsDate
8107637 Signal processing device and signal processing method Tetsunori Itabashi, Noriyuki Ozawa 2012-01-31
8094046 Signal processing apparatus and signal processing method Tetsunori Itabashi, Kazunobu Ohkuri 2012-01-10
7933421 Sound-field correcting apparatus and method therefor 2011-04-26
7881479 Audio processing method and sound field reproducing system 2011-02-01
7869611 Test tone determination method and sound field correction apparatus 2011-01-11
7822496 Audio signal processing method and apparatus Tetsunori Itabashi 2010-10-26
7813514 Apparatus and method for checking loudspeaker 2010-10-12
7756595 Method and apparatus for producing and distributing live performance Kazushi Yoshida 2010-07-13
7747027 Method of generating test tone signal and test-tone-signal generating circuit 2010-06-29
7734054 Acoustic apparatus, connection polarity determination method, and recording medium 2010-06-08
7592941 Signal processing apparatus and signal processing method Kazunobu Ohkuri, Ayataka Nishio 2009-09-22
7096080 Method and apparatus for producing and distributing live performance Kazushi Yoshida 2006-08-22
6807281 Loudspeaker and method of driving the same as well as audio signal transmitting/receiving apparatus Toru Sasaki, Kaoru Gyotoku 2004-10-19
6804367 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein Tooru Sasaki, Akira Kimura, Takayuki Mizuuchi 2004-10-12
6731764 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein Tooru Sasaki, Akira Kimura, Takayuki Mizuuchi 2004-05-04
6621908 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein Tooru Sasaki, Akira Kimura, Takayuki Mizuuchi 2003-09-16
6519346 Speaker apparatus and electronic apparatus having a speaker apparatus enclosed therein Tooru Sasaki, Akira Kimura, Takayuki Mizuuchi 2003-02-11