NW

Naohiro Watanabe

Ricoh Company: 11 patents #14 of 1,683Top 1%
Overall (2011): #2,735 of 364,097Top 1%
11
Patents 2011

Issued Patents 2011

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8076051 Method for preparing resin and particulate material, toner prepared by the method, developer including the toner, toner container, and process cartridge, image forming method and apparatus using the developer Takuya Saito, Chiaki Tanaka, Masayuki Ishii, Kei Naitoh 2011-12-13
8043778 Toner, method for preparing the toner, and image forming apparatus using the toner Tsuneyasu Nagatomo, Osamu Uchinokura, Satoshi Kojima 2011-10-25
8034524 Toner and image forming method using the toner Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Masahide Yamada, Masahiro Ohki +1 more 2011-10-11
8029960 Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the toner Tsuneyasu Nagatomo, Osamu Uchinokura, Satoshi Kojima 2011-10-04
8026031 Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama, Masahiro Ohki +4 more 2011-09-27
8007977 Toner and image forming method using the toner Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Masahide Yamada, Masahiro Ohki +1 more 2011-08-30
7989131 Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container Ryota Inoue, Shigeru Emoto, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more 2011-08-02
7968265 Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus Tsuyoshi Sugimoto, Hiroshi Yamashita, Shinichi Wakamatsu, Masaki Watanabe 2011-06-28
7947419 Toner, developer, and image forming method Tsuyoshi Sugimoto, Hiroshi Yamashita, Shinichi Wakamatsu 2011-05-24
7943280 Toner containing a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions Osamu Uchinokura, Junichi Awamura 2011-05-17
7932007 Toner and method for producing the same, and image-forming method using the same Hiroshi Yamashita, Chiaki Tanaka, Yohichiroh Watanabe, Tsunemi Sugiyama, Masahiro Ohki +4 more 2011-04-26