TO

Toshiyuki Oyama

DI Dic: 1 patents #467 of 844Top 60%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #1,320,276 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12240940 Epoxy resin, epoxy resin cured product, and epoxy resin composition Yuichiro Tokoro, Seiryu Umetani 2025-03-04
10598481 Crankshaft shape inspection apparatus, system and method Yoshito Isei, Ryota Ohashi 2020-03-24
10132618 Method and device for inspecting crankshaft Yoshito Isei, Ryota Ohashi 2018-11-20