MI

Masaki Ishizaki

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #836,115 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10315870 Sheet feeding device, image forming apparatus incorporating the sheet feeding device, and image forming system incorporating the sheet feeding device Toshihiro Okutsu, Takashi Fukumoto, Tatsuya Sugawara, Sachika Tamaki, Hideaki Takahashi +2 more 2019-06-11
10017342 Paper sheet conveyance device and image forming apparatus Toshihiro Okutsu, Yasuo Niikura, Hidetoshi Kojima, Masato Hashimoto, Munehisa Fuda +5 more 2018-07-10
9802775 Sheet separating device, sheet supplying device, and image forming apparatus Masato Hashimoto, Takashi Fukumoto, Hideaki Takahashi, Hisayoshi SUGAWARA, Munehisa Fuda +7 more 2017-10-31
9725265 Sheet feeding device, image forming apparatus, and image forming system Masato Hashimoto, Takashi Fukumoto, Hideaki Takahashi, Hisayoshi SUGAWARA, Munehisa Fuda +7 more 2017-08-08
9359158 Sheet feeding device, image forming apparatus, and image forming system Yasunori Hino, Chikara Akata, Tomoki Tamate, Hideaki Takahashi, Munehisa Fuda +10 more 2016-06-07
8955835 Feeding device and image forming apparatus Hideyuki Satoh, Yousuke Edo, Takaya Ochiai 2015-02-17