Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648095 | Production method of mold, manufacturing method of pattern sheet, production method of electroform, production method of mold using electroform, and original | Satoshi CHAI, Kenji Ichikawa | 2020-05-12 |