Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688602 | Shaft sealing mechanism of compressor with mechanical seal | Takeshi Yamada, Takayuki Imai | 2004-02-10 |
| 6685192 | Tandem seal | Hidekazu Takahashi | 2004-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688602 | Shaft sealing mechanism of compressor with mechanical seal | Takeshi Yamada, Takayuki Imai | 2004-02-10 |
| 6685192 | Tandem seal | Hidekazu Takahashi | 2004-02-03 |