YI

Yukiko Ishijima

Ricoh Company: 1 patents #173 of 689Top 30%
Overall (2025): #156,677 of 469,880Top 35%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 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