YK

Yuusuke Koizuka

Ricoh Company: 4 patents #122 of 1,487Top 9%
Overall (2020): #40,305 of 565,922Top 8%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10844235 Ink, method of manufacturing ink, and ink cartridge Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Akihiko Matsuyama, Yoshiki Yanagawa +3 more 2020-11-24
10836171 Ink and cleaning liquid set, inkjet printing device, inkjet printing method, and method of cleaning nozzle surface of inkjet discharging head Amika Sagara, Yuuki Yokohama, Masaki Kudo, Akihiko Matsuyama, Koichiro Oyama 2020-11-17
10807377 Ink, ink cartridge, image forming method, and printed matter Takuya Yamazaki, Shigeyuki Harada, Takuya Saiga, Hiroshi Gotou, Koichiro Oyama 2020-10-20
10781325 Curable composition, curable ink, accommodating container, image forming device, image forming method, cured matter, and acrylamide compound Mitsunobu Morita, Soh Noguchi, Takashi Okada, Kazukiyo Nagai, Tomoyuki Shimada 2020-09-22