MO

Masaharu Oka

NM Nippon Steel & Sumitomo Metal: 2 patents #51 of 340Top 15%
Overall (2019): #142,620 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10336037 Galvanized steel sheet and method for producing the same Nobuhiro Fujita, Manabu Takahashi, Riki Okamoto, Kenichiroh Matsumura 2019-07-02
10294551 High-strength low-specific-gravity steel sheet having superior spot weldability Nobuhiro Fujita, Manabu Takahashi, Riki Okamoto, Chisato Wakabayashi 2019-05-21