Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764538 | Coating for water blocking agents | Toshiaki Matsunaga, Akira Hattori | 2004-07-20 |
| 6710150 | Protolytically leaving group-containing copolymer and process for its production | Masatoshi Yoshida, Shigeru Tanimori, Yasutaka Nakatani, Hideaki Nagano | 2004-03-23 |