Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674627 | Aluminum alloy sheet having excellent press formability and spot weldability | Yasuji Uesugi, Naoki Nishiyama, Rinsei Ikeda, Koichi Hashiguchi, Yoshihiro Matsumoto +1 more | 1997-10-07 |
| 5486243 | Method of producing an aluminum alloy sheet excelling in formability | Koichi Hashiguchi, Yoshihiro Matsumoto, Makoto Imanaka, Takaaki Hira, Rinsei Ikeda +3 more | 1996-01-23 |
| 5395687 | Surface-treated aluminum material having improved spot resistance weldability, workability, and corrosion resistance | Nobuo Totsuka, Naoki Nishiyama, Yasuji Uesugi, Masaki Mabuchi, Kouichi Hashiguchi +2 more | 1995-03-07 |
| 5322741 | Aluminum alloy sheet with improved formability and method of production | Yasuji Uesugi, Koichi Hashiguchi, Yoshihiro Matsumoto, Makoto Imanaka, Takaaki Hira +3 more | 1994-06-21 |
| 5017337 | Aluminum alloy for magnetic disc substrate execellent in platability | Kunihiko Kishino | 1991-05-21 |
| 4840685 | Aluminum alloy for the substrate of magnetic disk | — | 1989-06-20 |
| 4678547 | Anodized memory disk substrate and method of manufacturing the same | Mitsuya Miyamoto, Yasuyuki Ooseki | 1987-07-07 |