AY

Atsuhisa Yakawa

NS NS Sumikin Stainless: 3 patents #21 of 78Top 30%
SI Sumitomo Metal Industries: 3 patents #222 of 1,462Top 20%
Nsk: 1 patents #937 of 1,559Top 65%
Overall (All Time): #820,700 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10894995 Austenitic stainless steel sheet for exhaust component having excellent heat resistance and workability, turbocharger component, and method for producing austenitic stainless steel sheet for exhaust component Junichi Hamada, Chikako Takushima 2021-01-19
10603712 Method of increasing thickness of tube and increased thickness tube Shuji Yamamoto, Junichi Hamada, Mitsuhiro Fujinaga 2020-03-31
9945016 Heat-resistant austenitic stainless steel sheet Yoshiharu Inoue, Nobuhiko Hiraide 2018-04-17
5954880 Roller support device in molten metal plating bath Akio Aoki, Yukio Sato, Shin Niizeki, Takao Hashimoto, Katsuhiro Nojima +2 more 1999-09-21
5330850 Corrosion-resistant surface-coated steel sheet Nobukazu Suzuki, Seiji Bando, Satoshi Ikeda, Tetsuaki Tsuda, Yukihiro Yoshikawa 1994-07-19
5236574 Electroplating of hot-galvanized steel sheet and continuous plating line therefor Kazuhide Oshima, Hisakazu Morino, Tomio Kondo, Yasuo Shimada, Tadashi Nonaka +3 more 1993-08-17