Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817521 | Compression apparatus for solid waste | Yoshiyuki Sakata | 1989-04-04 |
| 4657585 | Method for separating cobalt, nickel and the like from alloys | Akira Yazawa, Kimio Itagaki, Kazuo Sezaki, Kenji Matsuda, Kazuo Kanazawa +1 more | 1987-04-14 |