TT

Tadao Takigawa

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Overall (All Time): #751,549 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7563555 Toner, developer including the toner, and method for fixing toner image Yohichiroh Watanabe, Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito +6 more 2009-07-21
7541128 Toner, developer including the toner, and method for fixing toner image Yohichiroh Watanabe, Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito +6 more 2009-06-02
7396630 Toner, developer including the toner, and method for fixing toner image Yohichiroh Watanabe, Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito +6 more 2008-07-08
7303847 Dry toner Masami Tomita, Toshiki Nanya, Shigeru Emoto, Shinichiro Yagi, Hiroshi Yamada +1 more 2007-12-04
6936390 Toner, method of producing same and image forming device Toshiki Nanya, Masami Tomita, Shigeru Emoto, Hiroshi Yamada, Shinichiro Yagi +1 more 2005-08-30
6849369 Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and developing method using the toner Shinichiro Yagi, Masami Tomita, Toshiki Nanya, Shigeru Emoto, Hiroshi Yamada +3 more 2005-02-01
6787280 Electrophotographic toner and method of producing same Hiroshi Yamashita, Tsunemi Sugiyama, Shinichiro Yagi, Hiroshi Yamada, Masami Tomita +3 more 2004-09-07