KS

Koji Sanefuji

Bridgestone: 2 patents #1,066 of 2,860Top 40%
SP Spiber: 1 patents #22 of 51Top 45%
Overall (All Time): #1,778,265 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12084574 Flexible polyurethane foam, automobile seat pad, and flexible polyurethane foam production method Hideharu SEGUCHI, Toshiki Takizawa, Naoko Nisikita 2024-09-10
9221369 Seat pad Kenji Kumagai, Kazushige Ebe 2015-12-29