WY

Weida Yan

NT Ntn: 1 patents #65 of 175Top 40%
Overall (2020): #227,101 of 565,922Top 45%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10808761 Rolling bearing, and abrasion resistance treatment method for bearing raceway surface Kazumasa Seko, Michio Hori, Takashi Yamamoto, Naoya Hasegawa 2020-10-20