Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967292 | Key sheet | — | 2005-11-22 |
| 6946573 | Method for starting up reactor and reactor system | Yukihiro Matsumoto, Hideki Sogabe, Kazuhiko Sakamoto, Osamu Dodo | 2005-09-20 |
| 6899452 | Apparatus and method for preparation and supply of polymerization inhibitor | Kei Hamamoto, Kazuhiko Sakamoto, Kunihiko Suzuki | 2005-05-31 |
| 6891061 | Packed column and polymerizable compound treating method using the same | Yukihiro Matsumoto, Sei Nakahara, Osamu Dodo | 2005-05-10 |
| 6888025 | Method for absorbing acrylic acid and method for purifying acrylic acid | Harunori Hirao, Yoshitake Ishii, Yukihiro Matsumoto | 2005-05-03 |
| 6878239 | Process for inhibiting a polymerization in a vacuum section of an easily polymerizable compound purification system | Yukihiro Matsumoto | 2005-04-12 |
| 6848501 | Method for preventing plate type heat exchanger from blockage | Harunori Hirao, Yukihiro Matsumoto, Sei Nakahara, Osamu Dodo, Tetsuji Mitsumoto +2 more | 2005-02-01 |