Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RH

Ryochi Honbo

Denso: 1 patents #6,940 of 11,792Top 60%
TRTris: 1 patents #21 of 42Top 50%
Overall (All Time): #3,483,597 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6758881 Metal-graphite brush and production method thereof Takayoshi Otani, Osamu Takada, Mitsuo Ikeda, Yoichi Sakaura, Naoki Morita +5 more 2004-07-06