Inventor
TOYOSAWA MASAO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “TOYOSAWA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIICHI KOSHO CO LTD
4 patentsUS5980261ANov 9, 1999
Karaoke system having host apparatus with customer records
DAIICHI KOSHO CO LTD300 citations97
US6077084AJun 20, 2000
Karaoke system and contents storage medium therefor
DAIICHI KOSHO CO LTD51 citations94
US5900566AMay 4, 1999
Karaoke playback apparatus utilizing digital multi-channel broadcasting
DAIICHI KOSHO CO LTD83 citations94
US6139329AOct 31, 2000
Karaoke system and contents storage medium therefor
DAIICHI KOSHO CO LTD15 citations71