Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607490 | Filter having chemical resistance, antistatic property and water vapor resistance, and process for producing the same | Takeshi Hazeyama, Hitoshi Otaka | 1997-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607490 | Filter having chemical resistance, antistatic property and water vapor resistance, and process for producing the same | Takeshi Hazeyama, Hitoshi Otaka | 1997-03-04 |