YA

Yu AKAI

NO Nok: 1 patents #382 of 725Top 55%
Overall (All Time): #2,407,679 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12282268 Developing roll and developing device for use in image-forming apparatus using electrophotography Kosuke Oura, Norimasa HOSONUMA, Atsushi Ikeda, Satoshi Fukuoka, Kenji Sasaki 2025-04-22