HY

Hirofumi Yamanaka

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,367,827 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7438245 Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner Masahiro Kawamoto, Kohta Wakimoto, Kohji Kubota, Mamoru Kawaguchi, Yoshiyuki Okegawa +11 more 2008-10-21