Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889667 | Method for supervision of injection molding by use of waveform of internal die pressure | Hisashi Kojima | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889667 | Method for supervision of injection molding by use of waveform of internal die pressure | Hisashi Kojima | 1989-12-26 |