Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495045 | Solid substance removing device | Kei Hamamoto, Sei Nakahara, Naoto Kasaya, Masakatsu Mori | 2002-12-17 |
| 6441228 | Apparatus and process for producing (meth)acrylic acid | Sei Nakahara, Kazuhiko Sakamoto, Kenji Sanada, Masatoshi Ueoka | 2002-08-27 |
| 6436245 | Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof | Takeshi Nishimura | 2002-08-20 |
| 6431261 | Shell and tube type heat exchanger | Takeshi Nishimura, Daisuke Nakamura, Masakatsu Mori, Osamu Dodo | 2002-08-13 |
| 6416503 | Matrix for iontophoreses | Yasuyuki Suzuki, Katsumi Iga, Hiroaki Okada | 2002-07-09 |
| 6409886 | Process for inhibiting the polymerization of easily-polymerizable compounds | Takeshi Nishimura | 2002-06-25 |
| 6407287 | Method for production of acrylic acid | Takeshi Nishimura, Kazuhiko Sakamoto, Hidefumi Haramaki | 2002-06-18 |
| 6372944 | Liquid withdrawing tray for purification column, purification column, and method for purification | Hajime Matsumoto, Takeshi Nishimura, Sei Nakahara, Misao Inada | 2002-04-16 |
| 6348135 | Process for the purification of (meth) acrylic acid and/or its ester | Sei Nakahara, Masatoshi Ueoka | 2002-02-19 |