YO

Yoshiyuki Okada

RK Riso Kagaku: 2 patents #1 of 19Top 6%
Overall (2025): #72,564 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12423640 Delivery item information management system, method, apparatus, and program for managing delivery item information, and printing apparatus 2025-09-23
12187566 Conveying apparatus Masashi Hara, Yoshifumi Noguchi 2025-01-07