YF

Yuji Fukai

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
PI Pearl Musical Instrument: 1 patents #9 of 18Top 50%
Overall (All Time): #1,126,975 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11640814 Suspension system for a drum 2023-05-02
6466555 Mobile radio communications system Takeshi Maki, Toshiro Suzuki, Kenichi Aoyama 2002-10-15
6333923 Mobile radio communications system Takeshi Maki, Toshiro Suzuki, Kenichi Aoyama 2001-12-25
5901144 Mobile radio communications system Takeshi Maki, Toshiro Suzuki, Kenichi Aoyama 1999-05-04