Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7541490 | Method for production of acrylic acid and apparatus for production of acrylic acid | Kazuto OKAZAKI, Yukihiro Matsumoto, Kazuhiko Sakamoto | 2009-06-02 |
| 7468167 | Method for starting up reactor and reactor system | Yukihiro Matsumoto, Takeshi Nishimura, Hideki Sogabe, Kazuhiko Sakamoto | 2008-12-23 |
| 7377307 | Vertical heat exchanger | Yuichi Ijiri, Takeshi Nishimura, Kazuhiko Sakamoto | 2008-05-27 |
| 7326811 | Method for production of (meth)acrylic acid by use of a shell-and-tube heat exchanger | Tetsuji Mitsumoto, Takeshi Nishimura, Sei Nakahara | 2008-02-05 |
| 7198766 | Method for production of acrylic acid and apparatus for production of acrylic acid | Kazuto OKAZAKI, Yukihiro Matsumoto, Kazuhiko Sakamoto | 2007-04-03 |
| 7147048 | Shell-and-tube type heat exchanger and method for production of (meth) acrylic acid by use of the exchange | Tetsuji Mitsumoto, Takeshi Nishimura, Sei Nakahara | 2006-12-12 |
| 7060230 | Apparatus for treatment of waste gas | Kazuto OKAZAKI, Takeshi Nishimura, Kazuhiko Sakamoto | 2006-06-13 |
| 6994833 | Reactor for catalytic gas phase oxidation | Takeshi Nishimura, Masakatsu Mori, Masatsugu Kitaura, Michio Tanimoto | 2006-02-07 |
| 6946573 | Method for starting up reactor and reactor system | Yukihiro Matsumoto, Takeshi Nishimura, Hideki Sogabe, Kazuhiko Sakamoto | 2005-09-20 |
| 6891061 | Packed column and polymerizable compound treating method using the same | Takeshi Nishimura, Yukihiro Matsumoto, Sei Nakahara | 2005-05-10 |
| 6848501 | Method for preventing plate type heat exchanger from blockage | Harunori Hirao, Yukihiro Matsumoto, Sei Nakahara, Tetsuji Mitsumoto, Takeshi Nishimura +2 more | 2005-02-01 |
| 6808689 | Reactor for catalytic gas phase oxidation | Yukihiro Matsumoto, Masakatsu Mori, Masatsuga Kitaura, Michio Tanimoto | 2004-10-26 |
| 6613940 | Method for catalytic gas phase oxidation | Takeshi Nishimura, Masakatsu Mori, Masatsugu Kitaura, Daisuke Nakamura | 2003-09-02 |
| 6582667 | Shell-and-tube reactor | Yousuke Ogata, Takehiro Takashima, Hidefumi Haramaki | 2003-06-24 |
| 6581637 | Tank and a method for storing an easily polymerizable compound | Kei Hamamoto, Takeshi Nishimura, Kazuhiko Sakamoto | 2003-06-24 |
| 6431261 | Shell and tube type heat exchanger | Takeshi Nishimura, Yukihiro Matsumoto, Daisuke Nakamura, Masakatsu Mori | 2002-08-13 |
| 6294056 | Distillation method and distillation apparatus | Yukihiro Matsumoto, Kazukiyo Arakawa, Hiroo Iwato, Mamoru Takamura | 2001-09-25 |
| 5872288 | Process for producing (meth) acrylic acid | Hidefumi Haramaki, Mamoru Takamura | 1999-02-16 |