Issued Patents All Time
Showing 26–50 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7259759 | Display panel drive device | — | 2007-08-21 |
| 7253314 | Method for refining easily polymerizable matter-containing substance and apparatus therefor | Takeshi Nishimura | 2007-08-07 |
| 7238743 | Production process for water-absorbent resin | Kunihiko Ishizaki, Teruyuki Kanto | 2007-07-03 |
| 7235158 | Perforated tray column without downcomer | Kazuhiko Sakamoto, Kenji Sanada | 2007-06-26 |
| 7205429 | Method for disposal of waste from acrylic acid process and acrylic ester process | Takeshi Nishimura, Kenji Sanada, Harunori Hirao | 2007-04-17 |
| 7198766 | Method for production of acrylic acid and apparatus for production of acrylic acid | Kazuto OKAZAKI, Kazuhiko Sakamoto, Osamu Dodo | 2007-04-03 |
| 7164398 | Apparatus and method for driving plasma display panel, and processing program embodied in a recording medium for driving plasma display panel | — | 2007-01-16 |
| 7109372 | Method for production of acrylic acid | Harunori Hirao, Kenji Sanada, Takeshi Nishimura | 2006-09-19 |
| 7102030 | Method for managing operation of gas phase reaction apparatus | Kenji Sanada, Takeshi Nishimura, Harunori Hirao | 2006-09-05 |
| 7088354 | Display panel drive apparatus, display panel drive method and information recording medium for driving display panel | — | 2006-08-08 |
| 7081185 | Purification apparatus provided with low heat conductive member | Takeshi Nishimura | 2006-07-25 |
| 7038081 | Method for producing polyacrylic acid | Sei Nakahara, Kunihiko Ishizaki | 2006-05-02 |
| 7014736 | Apparatus and process for purification of acrylic acid family | — | 2006-03-21 |
| 6966973 | Apparatus and process for producing (meth)acrylic acid | Sei Nakahara, Kazuhiko Sakamoto, Kenji Sanada, Masatoshi Ueoka | 2005-11-22 |
| 6946573 | Method for starting up reactor and reactor system | Takeshi Nishimura, Hideki Sogabe, Kazuhiko Sakamoto, Osamu Dodo | 2005-09-20 |
| 6930198 | Method for production of unsaturated carboxylic ester | Kazuto OKAZAKI, Kazuhiko Sakamoto, Yuji Miyahara | 2005-08-16 |
| 6927268 | Production process for water-absorbent resin | Kunihiko Ishizaki, Teruyuki Kanto | 2005-08-09 |
| 6891061 | Packed column and polymerizable compound treating method using the same | Takeshi Nishimura, Sei Nakahara, Osamu Dodo | 2005-05-10 |
| 6888025 | Method for absorbing acrylic acid and method for purifying acrylic acid | Harunori Hirao, Yoshitake Ishii, Takeshi Nishimura | 2005-05-03 |
| 6878239 | Process for inhibiting a polymerization in a vacuum section of an easily polymerizable compound purification system | Takeshi Nishimura | 2005-04-12 |
| 6848501 | Method for preventing plate type heat exchanger from blockage | Harunori Hirao, Sei Nakahara, Osamu Dodo, Tetsuji Mitsumoto, Takeshi Nishimura +2 more | 2005-02-01 |
| 6808689 | Reactor for catalytic gas phase oxidation | Masakatsu Mori, Masatsuga Kitaura, Osamu Dodo, Michio Tanimoto | 2004-10-26 |
| 6787001 | Method for distilling (meth) acrylic acid solution | Kazuhiko Sakamoto, Sei Nakahara, Kenji Sanada, Masatoshi Ueoka | 2004-09-07 |
| 6755943 | Perforated tray without downcomer, perforated tray tower without downcomer | Noriaki Mizutani, Takeshi Nishimura | 2004-06-29 |
| 6743432 | Interface for iontophoresis | Shigeo Yanai, Katsumi Iga, Naruhito Higo | 2004-06-01 |