Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8367860 | Method for producing (meth) acrylic acid derivitive | Yasushi Ogawa, Shuhei Yada, Yoshiro Suzuki, Yukihiro Hasegawa | 2013-02-05 |
| 7828021 | Method of storing (meth)acrylic ester | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2010-11-09 |
| 7786323 | Method for collecting (meth)acrolein or (meth)acrylic acid and collecting device for the same | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Kimikatsu Jinno | 2010-08-31 |
| 7563927 | Process for producing (meth)acrylic acid or (meth)acrolein | Yasushi Ogawa, Shuhei Yada, Yoshiro Suzuki, Kimikatsu Jinno | 2009-07-21 |
| 7549341 | Method of maintaining a multitubular reactor | Yasushi Ogawa, Shuhei Yada, Yoshiro Suzuki, Kimikatsu Jinno | 2009-06-23 |
| 7476299 | Vessel for easily polymerizable compound | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2009-01-13 |
| 7473338 | Distillation apparatus for readily polymerizable compound | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Kiyoshi Takahashi | 2009-01-06 |
| 7414150 | Method for purifying (meth)acrylic acid | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2008-08-19 |
| 7396957 | Process for producing (meth)acrylic acids and process for distilling the same | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Kimikatsu Jinno, Hirochika Hosaka +1 more | 2008-07-08 |
| 7368601 | Process for producing (meth)acrylic acids and process for distilling the same | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Kimikatsu Jinno, Hirochika Hosaka +1 more | 2008-05-06 |
| 7348455 | Process for producing (meth)acrylic acids | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Kiyoshi Takahashi | 2008-03-25 |
| 7319162 | Method of decomposing by-product during the production of (meth)acrylic ester | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2008-01-15 |
| 7288169 | Distillation apparatus for readily polymerizable compound | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Kiyoshi Takahashi | 2007-10-30 |
| 7265241 | Method for purifying (meth)acrylic acid | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2007-09-04 |
| 7214816 | Process for producing (meth)acrylic acid and (meth)acrylic esters | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2007-05-08 |
| 7189872 | Process for producing (meth)acrylic acid | Shuhei Yada, Kiyoshi Takahashi, Yasushi Ogawa, Kimikatsu Jinno, Yoshiro Suzuki | 2007-03-13 |
| 7166741 | Process for producing (meth) acrylic acid compound | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2007-01-23 |
| 7148373 | Process for purifying (meth)acrylic acid and process for producing (meth)acrylic esters | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2006-12-12 |
| 7135594 | Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2006-11-14 |
| 7094921 | Method for storing (meth)acrylic acid or (meth)acrylic esters | Shuhei Yada, Yoshiro Suzuki, Yasushi Ogawa | 2006-08-22 |
| 7080654 | Method for transporting easily polymerizable liquid by pipeline | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Hirochika Hosaka | 2006-07-25 |
| 7041850 | Process for producing purified (meth)acrylic acid | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2006-05-09 |
| 7041849 | Method of recovering polymerization inhibitor and method of producing acrylic acid | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2006-05-09 |
| 7015357 | Processes for producing (meth)acrylic acid | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2006-03-21 |
| 6989463 | Method for handling high-viscosity substances | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2006-01-24 |