Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762728 | Wear-resistant cast aluminum alloy process of producing the same | Yukio Kuramasu, Akio Hashimoto, Sanji Kitaoka, Koji Watanabe, Kenji Tsushima +1 more | 1998-06-09 |
| 5582659 | Aluminum alloy for forging, process for casting the same and process for heat treating the same | Akio Hashimoto, Sanji Kitaoka, Kiyoshi Takagi, Hideo Yoshioka, Ken Kanasashi | 1996-12-10 |