OU

Osamu Uchinokura

Ricoh Company: 5 patents #145 of 1,683Top 9%
Overall (2011): #15,378 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8043778 Toner, method for preparing the toner, and image forming apparatus using the toner Tsuneyasu Nagatomo, Naohiro Watanabe, Satoshi Kojima 2011-10-25
8029960 Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the toner Tsuneyasu Nagatomo, Naohiro Watanabe, Satoshi Kojima 2011-10-04
8026031 Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama +4 more 2011-09-27
8007976 Electrostatic image developing toner, toner kit and image forming apparatus Hideki Sugiura, Hiroyuki Fushimi, Takahiro Honda, Masami Tomita, Hyo Shu +1 more 2011-08-30
7943280 Toner containing a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions Naohiro Watanabe, Junichi Awamura 2011-05-17