Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869647 | Circular electromagnetic flow coupler | Goro Aoyama, Ryuhei Kawabe, Takashi Ikeda | 1989-09-26 |
| 4864095 | Apparatus for assembling a mesh ring for a catalytic converter | Sachihiro Yamashita, Masayuki Enomoto | 1989-09-05 |