RT

Ryou Tagami

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,286,643 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5796845 Sound field and sound image control apparatus and method Mitsuhiko Serikawa, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu 1998-08-18
5684881 Sound field and sound image control apparatus and method Mitsuhiko Serikawa, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu 1997-11-04
5617478 Sound reproduction system and a sound reproduction method Takeshi Norimatsu, Masaharu Matsumoto, Mikio Oda, Mitsuhiko Serikawa, Akihisa Kawamura +1 more 1997-04-01
5572591 Sound field controller Hiroko Numazu, Masaharu Matsumoto, Akihisa Kawamura, Mikio Oda 1996-11-05