Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764538 | Coating for water blocking agents | Yohei Murakami, Akira Hattori | 2004-07-20 |
| 6743957 | Method of treating fluorine compound | Kiyoshi Fuda, Takeshi Kamiya, Kota Omori | 2004-06-01 |