Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | ![]() | Audio equipment,Gasoline,Loudspeaker, ...[+2] | Patent: 34 | |
2 | Guitar,Music,Electronics, ...[+2] | Patent: 13 | ||
3 | ![]() | Piano,Software,Music, ...[+2] | Patent: 10 | |
4 | Music,Piano,Drum, ...[+2] | Patent: 2 | ||
5 | ![]() | Chemical engineering,Polyvinylidene fluoride,Wallpaper, ...[+2] | Patent: 1 |