KF

Katsuyoshi Fujii

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,293,519 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5477003 Karaoke sound processor for automatically adjusting the pitch of the accompaniment signal Kenji Muraki 1995-12-19
5157214 Musical sound synthesizing apparatus Masahiro Nakanishi, Daisuke Mori, Mizuho Seki, Masahiko Hatanaka 1992-10-20
5024133 Electronic musical instrument with improved generation of wind instruments Masahiro Nakanishi, Daisuke Mori, Masahiko Hatanaka, Hiroko Shinada 1991-06-18
4594576 Circuit arrangement for A/D and/or D/A conversion with nonlinear D/A conversion 1986-06-10