YI

Yukiko Ishijima

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #779,634 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12281231 Ink, ink set, ink container, recording method, and recording apparatus Satoshi Kojima, Takayuki Shimizu, Shin Hasegawa, Hiroki Kobayashi, Yuuki Matsushita 2025-04-22
11970625 Liquid composition, liquid discharging device, and method of manufacturing liquid composition Masaki Kudo, Akiko Bannai 2024-04-30
11401432 Curable composition, accommodating unit, device for forming two or three dimensional image, method of forming two or three dimensional image, and cured matter Takayuki Shimizu, Satoshi Kojima, Hiroki Kobayashi, Shin Hasegawa, Yuuki Matsushita 2022-08-02
11370932 Curable composition, accommodating unit, device for forming two or three dimensional image, method of forming two or three dimensional image, and cured matter Satoshi Kojima, Takayuki Shimizu, Shin Hasegawa, Hiroki Kobayashi, Yuuki Matsushita 2022-06-28
11332629 Curable clear ink composition, storing container, ink set, printing method, printed matter, and cured material Hiroki Kobayashi, Satoshi Kojima, Takayuki Shimizu, Shin Hasegawa, Yuuki Matsushita 2022-05-17
11091576 Active energy ray-curable composition, active energy ray-curable inkjet ink, composition storage container, inkjet discharging apparatus, and cured product Yuuki Matsushita, Satoshi Kojima, Takayuki Shimizu, Shin Hasegawa, Hiroki Kobayashi 2021-08-17