Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722956 | Working apparatus | Tetsuo Okuyama, Kunihiro Saita, Toyotaka Wada, Tomoyuki Kawatsu | 2004-04-20 |
| 6439969 | Apparatus and method of chamfering wafer | Kikuo Koma, Muneaki Kaga, Michihiro Takata | 2002-08-27 |
| 6332834 | Method and apparatus for grinding a workpiece | Mitsuru Nukui, Michihiro Takata, Tetsuo Okuyama, Muneaki Kaga, Toyotaka Wada | 2001-12-25 |
| 6302769 | Method for chamfering a wafer | Kenichiro Nishi | 2001-10-16 |
| 6296553 | Grinding method, surface grinder, workpiece support, mechanism and work rest | Kenichiro Nishi, Mitsuru Nukui, Kazuo Nakajima, Toyotaka Wada | 2001-10-02 |
| 6220931 | Feeding a grinding wheel in grinding method | Kenichiro Nishi, Mitsuru Nukui, Kazuo Nakajima, Toyotaka Wada | 2001-04-24 |
| 6113489 | Ingot slicing method, an ingot manufacturing method and a sliced ingot grinding apparatus | Kenichiro Nishi, Tetsuo Okuyama, Mitsuru Nukui, Kazuo Nakajima, Toyotaka Wada +1 more | 2000-09-05 |
| 6036585 | Grinder and grinding method | Kenichiro Nishi, Mitsuru Nukui, Kazuo Nakajima, Toyotaka Wada | 2000-03-14 |