Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486243 | Method of producing an aluminum alloy sheet excelling in formability | Koichi Hashiguchi, Yoshihiro Matsumoto, Takaaki Hira, Rinsei Ikeda, Naoki Nishiyama +3 more | 1996-01-23 |
| 5322741 | Aluminum alloy sheet with improved formability and method of production | Yasuji Uesugi, Koichi Hashiguchi, Yoshihiro Matsumoto, Takaaki Hira, Nobuyuki Morito +3 more | 1994-06-21 |
| 5089068 | Cold rolled steel sheets having improved spot weldability | Susumu Okada, Susumu Masui, Takashi Obara, Masatoshi Shinozaki, Kozo Tsunoyama | 1992-02-18 |
| 4889566 | Method for producing cold rolled steel sheets having improved spot weldability | Susumu Okada, Susumu Masui, Takashi Obara, Masatoshi Shinozaki, Kozo Tsunoyama | 1989-12-26 |
| 4400225 | Cr-Mo Steel for use as very thick plates of 75 mm or more for oil refinery, coal liquefaction and coal gasification equipment | Masaaki Ishikawa, Syuzo Ueda | 1983-08-23 |