MF

Masayuki Fukuoka

Ricoh Company: 5 patents #54 of 1,584Top 4%
Overall (2019): #33,016 of 560,194Top 6%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10457079 Ink, inkjet recording method, ink cartridge, and image recording device Kaori Toyama, Yuuki Yokohama, Hiromi Sakaguchi, Hideaki Nishimura, Shuusuke Someno 2019-10-29
10370548 Copolymer, ink including copolymer, and ink-stored container Shigeyuki Harada, Akihiko Matsuyama, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai +3 more 2019-08-06
10280321 Ink, ink container, inkjet recording device, and recorded matter Akihiko Matsuyama, Hiroshi Gotou, Michihiko Namba, Hidetoshi Fujii, Amika Sagara +7 more 2019-05-07
10233345 Ink set, recording device, and method of recording Yuuki Yokohama, Hiroshi Gotou, Kaori Toyama 2019-03-19
10195885 Ink, inkjet recording method, ink cartridge, and image recording device Kaori Toyama, Yuuki Yokohama, Hiromi Sakaguchi, Hideaki Nishimura, Shuusuke Someno 2019-02-05