RC

Ryuta Chiba

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Overall (All Time): #723,037 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10859932 Toner, toner accommodating unit, and image forming apparatus Tsuyoshi Sugimoto, Shinya Nakayama, Hiroshi Yamada, Hideyuki Santo, Suzuka Amemori +1 more 2020-12-08
10088766 Layered inorganic mineral, toner, and image forming apparatus Hideyuki Santo, Tsuyoshi Sugimoto, Shinya Nakayama, Suzuka Amemori, Hiroshi Yamada +1 more 2018-10-02
9557671 Electrostatic image developing toner, developer, and image forming apparatus Shinya Nakayama, Hiroshi Yamada, Minoru Masuda, Akinori Saitoh, Hideyuki Santo +6 more 2017-01-31
9488925 Magenta toner, developer, and image forming apparatus Shinya Nakayama, Tsuyoshi Sugimoto, Hiroshi Yamada, Susumu Chiba, Shinsuke Nagai +2 more 2016-11-08
9023570 Toner, developer, and image forming apparatus Masana Shiba, Tsuneyasu Nagatomo 2015-05-05
8703375 Toner, method for forming toner, developer, and image forming method Naohito Shimota, Takahiro Honda, Tsuneyasu Nagatomo 2014-04-22
8435716 Method for producing toner, toner, and image forming method using the same Masaki Watanabe, Osamu Uchinokura, Tsuneyasu Nagatomo, Takahiro Honda 2013-05-07