TS

Tsuyoshi Sugimoto

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #20,461 of 364,097Top 6%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8017292 Toner, as well as image forming apparatus and image forming method using the same Akiyoshi Sabu, Akihiro Kotsugai, Shinya Nakayama, Hiroshi Yamashita, Hiroshi Yamada +1 more 2011-09-13
8012660 Image forming method and image forming apparatus Hiroshi Yamashita, Takashi Fujita, Kazumi Suzuki 2011-09-06
7968265 Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe 2011-06-28
7947419 Toner, developer, and image forming method Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu 2011-05-24