SW

Shinichi Wakamatsu

Ricoh Company: 3 patents #302 of 1,683Top 20%
Overall (2011): #35,828 of 364,097Top 10%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7989131 Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +4 more 2011-08-02
7968265 Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe, Masaki Watanabe 2011-06-28
7947419 Toner, developer, and image forming method Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe 2011-05-24