YT

Yasuaki Tomioka

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,702,086 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12253812 Powder replenisher and powder replenishing method Yuki Takano, Masaru Narushima, Chika Hirabayashi 2025-03-18
8343705 Method of manufacturing toner, toner, screening device, and method of recycling toner Yousuke Suzuki 2013-01-01