HN

Hiroko Numazu

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
Overall (1997): #38,187 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5684881 Sound field and sound image control apparatus and method Mitsuhiko Serikawa, Ryou Tagami, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda 1997-11-04
5617478 Sound reproduction system and a sound reproduction method Ryou Tagami, Takeshi Norimatsu, Masaharu Matsumoto, Mikio Oda, Mitsuhiko Serikawa +1 more 1997-04-01