Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808283 | Method of producing a high purity aluminum-lithium mother alloy | Yoshiaki Watanabe, Yoshiaki Orito | 1989-02-28 |
| 4747924 | Apparatus for producing neodymium-iron alloy | Katsuhisa Itoh, Yoshiaki Watanabe, Eiji Nakamura | 1988-05-31 |
| 4684448 | Process of producing neodymium-iron alloy | Katsuhisa Itoh, Yoshiaki Watanabe, Eiji Nakamura | 1987-08-04 |