Kanehisa Tsurumi
12Patents
11h-index
11Co-inventors
65Inventor score
Filing activity: Dec 28, 1990 → Sep 29, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6074215A | Online karaoke system with data distribution by broadcasting | Physics | 75 | Expired |
| US5689081A | Network karaoke system of broadcast type having supplementary communication channel | Electricity | 65 | Expired |
| US5804752A | Karaoke apparatus with individual scoring of duet singers | Physics | 55 | Expired |
| US6352432B1 | Karaoke apparatus | Physics | 53 | Expired |
| US5833469A | Method of operating a karaoke network system with system program distribution and karaoke network system | Physics | 37 | Expired |
| US5824934A | Karaoke system including host apparatus that downloads information file based on list of necessary information files | Physics | 36 | Expired |
| US5119710A | Musical tone generator | Physics | 29 | Expired |
| US5274637A | Token-ring-type local area network | Electricity | 27 | Expired |
| US5890910A | Method of managing information files in a communication karaoke apparatus and a communication karaoke apparatus | Physics | 21 | Expired |
| US5257259A | Ring-type local area network | Electricity | 18 | Expired |
| US5574949A | Multi-access local area network using a standard protocol for transmitting MIDI data using a specific data frame protocol | Physics | 14 | Expired |
| US7385129B2 | Music reproducing system | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.