Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664418 | Method for inhibiting polymerization of a vinyl compound | Kazuhiko Sakamoto, Kazuo Ohkouchi, Sei Nakahara, Masatoshi Ueoka | 2003-12-16 |
| 6660881 | Process for producing (meth)acrylic ester | Hajime Matsumoto, Tetsuya Kajihara, Yasuhiro Shingai, Masatoshi Ueoka, Yukihiro Yoneda +2 more | 2003-12-09 |
| 6599397 | Method for preventing polymerization of (meth)acrylic acid and esters thereof and method for the production thereof | Kazuhiko Sakamoto, Tomohiro Nakae, Kazuo Okochi, Sei Nakahara | 2003-07-29 |