Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875505 | Apparatus for cleaning and drying hard disk substrates | — | 1999-03-02 |
| 5685040 | Apparatus for cleaning and drying hard disk substrates | — | 1997-11-11 |
| 5579850 | Cultivating system and cultivating machine with plow-depth control function | Shigetoshi Kimura, Yoshinori Takahashi | 1996-12-03 |
| 5538460 | Apparatus for grinding hard disk substrates | — | 1996-07-23 |
| 5357645 | Apparatus for cleaning and drying hard disk substrates | — | 1994-10-25 |
| 5140774 | Apparatus for polishing hard disk substrates | — | 1992-08-25 |