Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621033 | Electrical discharge machining apparatus | Tatsushi Sato, Yoshihito Imai, Takayuki Nakagawa | 2003-09-16 |
| 6622139 | Information retrieval apparatus and computer-readable recording medium having information retrieval program recorded therein | Takehiro Nakayama, Hiroki Kato | 2003-09-16 |
| 6614234 | Electric discharge machine | Yoshihito Imai, Takuji Magara, Akihiro Goto | 2003-09-02 |