RI

Ryota Inoue

Ricoh Company: 7 patents #63 of 1,683Top 4%
Overall (2011): #7,475 of 364,097Top 3%
7
Patents 2011

Issued Patents 2011

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8084181 Carrier and method for producing the same, developer and image forming method Masayuki Ishii, Yoshihiro Moriya, Takuya Seshita, Shingo Sakashita, Chiaki Tanaka 2011-12-27
8043785 Carrier, method for producing the same, developer, and image forming method Chiaki Tanaka, Masayuki Ishii, Yoshihiro Moriya, Shingo Sakashita 2011-10-25
8034524 Toner and image forming method using the toner Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada, Masahiro Ohki +1 more 2011-10-11
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
8007977 Toner and image forming method using the toner Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada, Masahiro Ohki +1 more 2011-08-30
7989131 Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more 2011-08-02
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