Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864520 | Shape generating/creating system for computer aided design, computer aided manufacturing, computer aided engineering and computer applied technology | Ryozo Setoguchi | 1989-09-05 |
| 4841022 | Method for removing impurities from polyphenylene sulfide resin | Kiichi Marukawa, Kazuyoshi Nagaki | 1989-06-20 |