KH

Kunio Hayashi

NM Nippon Steel & Sumitomo Metal: 5 patents #3 of 440Top 1%
Overall (2016): #26,482 of 481,213Top 6%
5
Patents 2016

Issued Patents 2016

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9523134 Method for producing a high strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility Hiroyuki Tanahashi, Shinya Saitoh, Masashi Fukuda, Hiroyuki Okada, Toshimasa Tomokiyo +1 more 2016-12-20
9512499 Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall Toshimasa Tomokiyo, Toshimitsu Aso 2016-12-06
9347122 Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformability Yoshihiro Suwa, Kazuaki Nakano, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano 2016-05-24
9273370 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same Nobuhiro Fujita, Riki Okamoto, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida 2016-03-01
9267196 Method of producing a hot rolled steel sheet Riki Okamoto, Nobuhiro Fujita, Manabu Takahashi, Tetsuo Kishimoto, Kazuaki Nakano +1 more 2016-02-23