Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495045 | Solid substance removing device | Kei Hamamoto, Yukihiro Matsumoto, Naoto Kasaya, Masakatsu Mori | 2002-12-17 |
| 6482981 | Method for producing acrylic acid | Kouji Ueno, Masatoshi Ueoka | 2002-11-19 |
| 6469202 | Method for disposal of solid catalyst | Takeshi Nishimura, Masahiro Motofuji, Masatoshi Ueoka | 2002-10-22 |
| 6452040 | Production process for hydroxyalkyl (meth)acrylate | Yasuhiro Shingai, Yukihiro Yoneda, Masakazu Asami, Masatoshi Ueoka | 2002-09-17 |
| 6444744 | Hydrophilic resin, absorbent article, and acrylic acid for polymerization | Hirotama Fujimaru, Kunihiko Ishizaki, Nobuyuki Harada | 2002-09-03 |
| 6441228 | Apparatus and process for producing (meth)acrylic acid | Kazuhiko Sakamoto, Yukihiro Matsumoto, Kenji Sanada, Masatoshi Ueoka | 2002-08-27 |
| 6414183 | Method for handling waste oil | Kazuhiko Sakamoto, Masatoshi Ueoka | 2002-07-02 |
| 6372944 | Liquid withdrawing tray for purification column, purification column, and method for purification | Hajime Matsumoto, Takeshi Nishimura, Yukihiro Matsumoto, Misao Inada | 2002-04-16 |
| 6348135 | Process for the purification of (meth) acrylic acid and/or its ester | Yukihiro Matsumoto, Masatoshi Ueoka | 2002-02-19 |