YI

Yukiko Ishijima

Ricoh Company: 1 patents #496 of 1,326Top 40%
Overall (2021): #195,298 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
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