SH

Shigeyuki Harada

Ricoh Company: 6 patents #127 of 2,036Top 7%
Overall (2016): #17,056 of 481,213Top 4%
6
Patents 2016

Issued Patents 2016

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9422437 Copolymer, aqueous ink, and ink cartridge Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka 2016-08-23
9416284 Copolymer, aqueous ink, and ink cartridge Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka 2016-08-16
9365670 Copolymer, aqueous ink, and ink cartridge Yoshiki Yanagawa, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka +2 more 2016-06-14
9353274 Ink, ink cartridge, inkjet recording device, and copolymer Keita Katoh, Yoshiki Yanagawa, Masayuki Fukuoka, Kazukiyo Nagai, Tomoyuki Shimada +2 more 2016-05-31
9321926 Ink for inkjet recording, ink cartridge, and ink-recorded matter Keita Katoh, Masayuki Fukuoka, Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama +2 more 2016-04-26
9263682 Light emitting device and display unit Masaomi Sasaki, Mikiko Abe 2016-02-16