JO

Junichi Okubo

NM Nippon Steel & Sumitomo Metal: 3 patents #35 of 478Top 8%
Overall (2017): #72,127 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9731341 Forged crankshaft and method for manufacturing the forged crankshaft Hiroaki Tahira, Kisung Kim 2017-08-15
9707618 Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same Kenji Tamura, Kunihiro Yoshida, Tomihiko Fukuyasu, Nobutaka Tanimoto, Tadashi MATSUI 2017-07-18
9630239 Apparatus for forming a blank for finish forging for a forged crankshaft Kenji Tamura, Kunihiro Yoshida, Tomihiko Fukuyasu, Nobutaka Tanimoto, Tadashi MATSUI 2017-04-25