Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527723 | Electrolytic processing apparatus and electrolytic processing method | Itsuki Kobata, Yutaka Wada, Hirokuni Hiyama, Takayuki Saito, Yasushi Toma +1 more | 2009-05-05 |
| 6899592 | Polishing apparatus and dressing method for polishing tool | Shunichiro Kojima, Kazuto Hirokawa | 2005-05-31 |
| 5499768 | Spray nozzle unit | Toshiyuki Tanaka, Shizuo Aishima | 1996-03-19 |
| 5227017 | Spray drying apparatus equipped with a spray nozzle unit | Toshiyuki Tanaka | 1993-07-13 |