KO

Katsuhiro Obata

HI Hitachi: 1 patents #294 of 1,082Top 30%
Overall (2022): #380,659 of 548,613Top 70%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11536637 Abrasion test apparatus Yoshihiko Kobayashi, Shuho Koseki, Tadashi Furuya, Fumiaki Honda, Takahiro Makiyama 2022-12-27