Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5931722 | Chemical mechanical polishing apparatus | Tadahiro Ohmi, Joichi Takada | 1999-08-03 |
| 4615145 | Apparatus for mechanically finishing workpieces | Hiroshi Matsumoto | 1986-10-07 |