WS

Weijiang Sun

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #1,010,536 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D714861 Printer Naoto Tsuruoka, Masahiro Yonekawa, Zhiyu Liu 2014-10-07
D712960 Printer Naoto Tsuruoka, Masahiro Yonekawa, Zhiyu Liu 2014-09-09
D696341 Copying machine Kazuyoshi Yamada, Naoto Tsuruoka 2013-12-24
D687092 Copying machine Hiroko Suzuki 2013-07-30
D682348 Printer Hiroko Suzuki 2013-05-14