KK

Keita Katoh

Ricoh Company: 6 patents #40 of 1,821Top 3%
📍 Shizuoka, CO: #1 of 1 inventorsTop 100%
Overall (2018): #19,185 of 503,207Top 4%
6
Patents 2018

Issued Patents 2018

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10131805 Ink, ink stored container, inkjet recording apparatus, and printed matter Hiroshi Gotou, Yuuki Yokohama, Hiromi Sakaguchi, Yukiko Takamura 2018-11-20
10113078 Ink discharge device and ink discharge method Hiroshi Gotou, Takahiro Yoshida, Akihiko Matsuyama, Masahiko Ishikawa, Yoshiki Yanagawa 2018-10-30
10035869 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka +2 more 2018-07-31
10016987 Image forming method and image forming system 2018-07-10
9938421 Set of ink and print medium, inkjet printing method, inkjet printing apparatus, printed matter, ink, and ink stored container Yukiko Takamura, Hiroshi Gotou, Yuuki Yokohama, Hiromi Sakaguchi 2018-04-10
9873809 Ink, image forming method, image forming apparatus, and recorded matter Hiroshi Gotou, Yuuki Yokohama, Yukiko Takamura, Hiromi Sakaguchi 2018-01-23