SO

Shunichi Otsuka

NS Nippon Steel: 3 patents #914 of 4,423Top 25%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
Overall (All Time): #916,623 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12378648 Alloy Kiyoko Takeda 2025-08-05
10632521 Method for producing a rifled tube Takashi Nakashima, Atsuro Iseda, Takeshi Miki 2020-04-28
10385438 Heat resistant ferritic steel and method for producing the same Yoshitaka Nishiyama 2019-08-20
9938602 Production method and production facility of metal pipe Kazuhiro Uchida, Takuya HANADA, Masami Sakiyama, Tsutomu Shima 2018-04-10
9657383 Heat resistant ferritic steel and method for producing the same Yoshitaka Nishiyama, Hiroshi Matsuo 2017-05-23