YK

Yuusuke Koizuka

Ricoh Company: 9 patents #57 of 2,036Top 3%
Overall (2016): #7,352 of 481,213Top 2%
9
Patents 2016

Issued Patents 2016

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9441129 Ink for inkjet recording, ink container, and inkjet recording device Keita Katoh, Mitsuru Naruse, Masayasu Nonogaki, Akihiko Matsuyama, Kazukiyo Nagai 2016-09-13
9422437 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai 2016-08-23
9416284 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai 2016-08-16
9365670 Copolymer, aqueous ink, and ink cartridge Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai +2 more 2016-06-14
9359522 Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Kazukiyo Nagai 2016-06-07
9353274 Ink, ink cartridge, inkjet recording device, and copolymer Keita Katoh, Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Kazukiyo Nagai +2 more 2016-05-31
9321926 Ink for inkjet recording, ink cartridge, and ink-recorded matter Keita Katoh, Shigeyuki Harada, Masayuki Fukuoka, Mitsuru Naruse, Masayasu Nonogaki +2 more 2016-04-26
9309427 Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter Akihiko Matsuyama, Mitsuru Naruse, Masayasu Nonogaki, Kazukiyo Nagai, Keita Katoh 2016-04-12
9234110 Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink Keita Katoh, Mitsuru Naruse, Akihiko Matsuyama, Masayasu Nonogaki, Minoru Hakiri +1 more 2016-01-12