RY

Ryuji Yoshida

Ricoh Company: 9 patents #57 of 2,036Top 3%
Overall (2016): #7,861 of 481,213Top 2%
9
Patents 2016

Issued Patents 2016

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9513574 Image forming apparatus Hiroyuki Sugiyama, Shigekazu Koguchi, Masahiko Shakuto, Shinji Minami, Tomoko Takahashi +2 more 2016-12-06
9440478 Paper binding device, paper processing apparatus, image forming apparatus, and image forming system Wataru Takahashi, Nobuyoshi Suzuki, Katsuhiro Kosuge, Hidehiko Fujiwara, Makoto Hidaka +2 more 2016-09-13
9415560 Sheet processing apparatus, image forming system, and image forming apparatus Takuya Morinaga, Nobuyoshi Suzuki, Katsuhiro Kosuge, Yuusuke Shibasaki, Wataru Takahashi +4 more 2016-08-16
9315356 Sheet processing apparatus having binding unit and image forming system thereof Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Yuusuke Shibasaki, Wataru Takahashi +6 more 2016-04-19
9316950 Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor Tomoko Takahashi, Yoshiyuki Fukuda, Yoshio Hattori, Sho Akiyama, Takamasa Ozeki +3 more 2016-04-19
9298125 Image forming apparatus and image forming method Hiroyuki Sugiyama, Takamasa Ozeki, Tomoko Takahashi, Yoshinori Nakagawa, Masahiko Shakuto +3 more 2016-03-29
9254621 Method for attaching crimping members, sheet binding device, and image forming apparatus Wataru Takahashi, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Yuusuke Shibasaki +4 more 2016-02-09
9250593 Image forming apparatus and image density control method employed by the image forming apparatus Ryusuke Mase, Taichi Urayama, Tomoko Takahashi, Shotaro Hoshi, Hiroyuki Sugiyama +4 more 2016-02-02
9244374 Image forming apparatus Hiroyuki Sugiyama, Ryoh Tanoue, Masahiko Shakuto, Tomoko Takahashi, Yoshinori Nakagawa +4 more 2016-01-26