Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960670 | Method for production of maleic anhydride | Tadayoshi Kawashima, Yoshitake Ishii, Kei Hamamoto, Souichi Yamada | 2005-11-01 |
| 6660881 | Process for producing (meth)acrylic ester | Hajime Matsumoto, Yasuhiro Shingai, Masatoshi Ueoka, Yukihiro Yoneda, Masahiro Uemura +2 more | 2003-12-09 |
| 6610879 | Reaction method by using heterogeneous catalyst and reaction apparatus therefor | Yukihiro Yoneda, Yasuhiro Shingai, Hajime Matsumoto, Tokumasa Ishida | 2003-08-26 |
| 6552218 | Process for producing hydroxyalkyl (meth)acrylate | Tokumasa Ishida, Yasuhiro Shingai | 2003-04-22 |
| 6465681 | Production process for hydroxyalkyl (meth)acrylate | Masahiro Uemura, Tokumasa Ishida, Yukihiro Yoneda, Yasuhiro Shingai, Tadayoshi Kawashima | 2002-10-15 |
| 6417392 | Method for production of alkylamino(Meth)acrylate and apparatus therefor | Hideaki Nagano, Tadayoshi Kawashima, Kaoru Iwasaki, Sumio Nakashima | 2002-07-09 |
| 6414182 | Production process for hydroxyalkyl ester | Yasuhiro Shingai, Tokumasa Ishida, Fumio Shibusawa, Yukihiro Yoneda, Hajime Matsumoto +1 more | 2002-07-02 |