Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8114178 | Polishing composition for semiconductor wafer and polishing method | Masahiro Izumi, Shinsuke Miyabe, Hiroaki Tanaka | 2012-02-14 |
| 7753974 | Polishing composition for semiconductor wafer, method for production thereof and polishing method | Shinsuke Miyabe, Masahiro Izumi, Hiroaki Tanaka | 2010-07-13 |
| 5695730 | Process for preparing silicic acid hydrate | Shigeki Yamagata, Tomohiro Banda, Masaru Kishida, Keiji Monbetsu, Tsutomu Naito | 1997-12-09 |