Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073211 | Method for manufacturing steel article having high magnetic permeability and low coercive force | Kazuaki Matsumoto, Toshimichi Omori, Tetsuya Sanpei | 1991-12-17 |
| 4952250 | Method for manufacturing steel article having high toughness and high strength | Kazuaki Matsumoto, Shinichi Suzuki | 1990-08-28 |
| 4936926 | Method for manufacturing steel article having high toughness and high strength | Kazuaki Matsumoto, Shinichi Suzuki | 1990-06-26 |
| 4933027 | Iron-based shape-memory alloy excellent in shape-memory property, corrosion resistance and high-temperature oxidation resistance | Yutaka Moriya, Tetsuya Sanpei | 1990-06-12 |
| 4929289 | Iron-based shape-memory alloy excellent in shape-memory property and corrosion resistance | Yutaka Moriya, Tetsuya Sanpei | 1990-05-29 |
| 4720307 | Method for producing high strength steel excellent in properties after warm working | Kazuaki Matsumoto, Seishi Tsuyama, Yoshitaka Yamasaki | 1988-01-19 |
| 4572748 | Method of manufacturing high tensile strength steel plates | Masataka Suga, Makoto Yamada, Kazuhide Takahashi, Nobuhiro Iwasaki, Kazuyuki Matsui +2 more | 1986-02-25 |