HO

Hatsuhiko Oikawa

NM Nippon Steel & Sumitomo Metal: 4 patents #16 of 466Top 4%
Overall (2018): #44,958 of 503,207Top 9%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10081071 Arc spot welded joint and manufacturing method thereof Seiji Furusako, Shinji Kodama, Yasunobu Miyazaki 2018-09-25
10081073 Spot welded joint Fuminori Watanabe, Tomohito Tanaka, Seiji Furusako, Yasunobu Miyazaki, Hideki Hamatani 2018-09-25
10040145 Spot welding method of high-strength steel sheets excellent in joint strength Seiji Furusako, Yasunobu Miyazaki 2018-08-07
9970116 Al-plated steel sheet used for hot pressing and method for manufacturing Al-plated steel sheet used for hot pressing Soshi Fujita, Shintaro Yamanaka, Jun Maki, Hiroki Fujimoto, Hideaki IRIKAWA 2018-05-15