RY

Ryuuta Yoshida

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #919,550 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12416872 Toner, developing agent, toner stored unit, and image forming apparatus Toma Takebayashi, Akio Takei, Yasuo Kamada 2025-09-16
10073366 Toner, toner storage unit, image forming apparatus, and method for manufacturing toner Kohsuke Nagata, Shinya Nakayama, Tsuyoshi Sugimoto, Akinori Saitoh, Hideyuki Santo +5 more 2018-09-11
9201326 Toner, developer and image forming apparatus Takahiro Honda, Junichi Awamura, Osamu Uchinokura, Masaki Watanabe, Daisuke Inoue +2 more 2015-12-01
8999618 Toner set, developer set, and image forming apparatus Satoshi Ogawa, Masaki Watanabe, Hyo Shu, Naohiro Watanabe 2015-04-07
8778588 Toner for electrostatic charge development Teruki Kusahara, Junichi Awamura, Tsuyoshi Sugimoto, Hyo Shu, Tomomi Suzuki +8 more 2014-07-15