Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538465 | Elastic foamed sheet and wafer-polishing jig using the sheet | Shigeyoshi Netsu, Makoto Tsukada | 1996-07-23 |
| 5409770 | Elastic foamed sheet and wafer-polishing jig using the sheet | Shigeyoshi Netsu, Makoto Tsukada | 1995-04-25 |