Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377174 | Disk changer having a disk tray moved by a pair of slidable, parallel racks | Yoshiaki Nakagawa, Takashi Suzuki, Yasuyoshi Kagohashi, Seiji Nakama, Hajime Daigaku +1 more | 1994-12-27 |
| 4839996 | Method and apparatus for machining hard, brittle and difficultly-machinable workpieces | — | 1989-06-20 |
| 4705016 | Precision device for reducing errors attributed to temperature change reduced | — | 1987-11-10 |
| 4625463 | Wafer attracting and fixing device | — | 1986-12-02 |
| 4617766 | Grinding wheel for flat plates | Takatoshi Ono | 1986-10-21 |
| 4567694 | Grinding wheel for grinding the flat surface of a hard and brittle material | Takatoshi Ono | 1986-02-04 |
| 4565034 | Grinding and/or cutting endless belt | — | 1986-01-21 |
| 4545154 | Grinding wheel for flat plates | Takatoshi Ono | 1985-10-08 |
| 4521995 | Wafer attracting and fixing device | — | 1985-06-11 |
| 4445300 | Method for grinding flat plates | Takatoshi Ono | 1984-05-01 |
| 4411107 | Grinding wheel for flat plates | Takatoshi Ono | 1983-10-25 |