Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875911 | Apparatus for separating gaseous mixtures | Shinji Mizuno, Humio Kawato, Kazuyoshi Hanazawa, Tatsuaki Aoyama | 1989-10-24 |
| D301914 | Pressure governor with filter | Yoshiichi Muto | 1989-06-27 |
| D301917 | Pressure governor | Yoshiichi Muto | 1989-06-27 |