RK

Rito Kobayashi

YK Ykk: 2 patents #317 of 845Top 40%
Overall (All Time): #1,738,971 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1094178 Retaining box for slide fastener Kohei Kawarada, Yoshinori Kojima, Tiantian Feng, Hideki Sato, Yusuke Meiwa 2025-09-23
11825919 Slide fastener Yasuhito Naka, Leona Saito 2023-11-28