HY

Hiroshi Yosinaga

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,561,514 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6470161 Apparatus for minimizing toner contamination on an image formation member Takatsugu Fujishiro, Masami Hiramatsu, Masumi Sato, Hitoshi Ishibashi, Yukiko Iwasaki 2002-10-22