TS

Tomoyuki Shimada

Ricoh Company: 4 patents #92 of 1,584Top 6%
Overall (2019): #41,884 of 560,194Top 8%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10370548 Copolymer, ink including copolymer, and ink-stored container Shigeyuki Harada, Akihiko Matsuyama, Yoshiki Yanagawa, Masayuki Fukuoka, Takuya Yamazaki +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
10273373 Ink and method for producing same, and ink stored container, printing method, and printing apparatus Yuusuke Koizuka, Kazukiyo Nagai, Shigeyuki Harada, Koichiro Oyama, Takuya Yamazaki +3 more 2019-04-30
10233341 Ink, method of manufacturing ink, and ink cartridge Yuusuke Koizuka, Kazukiyo Nagai, Shigeyuki Harada, Akihiko Matsuyama, Yoshiki Yanagawa +3 more 2019-03-19