Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875911 | Apparatus for separating gaseous mixtures | Humio Kawato, Kazuyoshi Hanazawa, Tatsuaki Aoyama, Yoshinari Ogasawara | 1989-10-24 |
| 4815981 | Flexible printed circuit board terminal structure | — | 1989-03-28 |