Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659729 | Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof | Toshiro Hattori, Katsuyuki Takahashi | 2003-12-09 |
| 6652354 | Polishing apparatus and method with constant polishing pressure | Yoshihiro Hayashi, Takahiro Onodera, Yamato Samitsu, Naoki Sasaki | 2003-11-25 |
| 6520895 | Polishing device and polishing pad component exchange device and method | Tatsuya Senga, Kazuo Kobayashi, Satoru Ide | 2003-02-18 |