Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437746 | Aluminum alloy sheet for discs having good platability | Masahiro Kawaguchi | 1995-08-01 |
| 5389453 | Aluminum alloy material having a surface of excellent zinc phosphate processability | Kikurou Toyose, Hideo Fujimoto, Akihiro Tsuruno, Masao Takemoto, Masahiro Kawaguchi +3 more | 1995-02-14 |
| 4753685 | Aluminum alloy sheet with good forming workability and method for manufacturing same | Takashi Inaba | 1988-06-28 |
| 4631112 | Surface-treated aluminum alloy substrates for magnetic disks | Masahiro Kawaguchi | 1986-12-23 |