Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892403 | Handling device and producing system of easy-to-polymerize compound | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2011-02-22 |
| 7811524 | Reactor, reactor control system, and catalytic gas phase oxidation reaction method | Takashi Kanamaru, Shuhei Yada | 2010-10-12 |
| 7786323 | Method for collecting (meth)acrolein or (meth)acrylic acid and collecting device for the same | Shuhei Yada, Yasushi Ogawa, Kenji Takasaki, Yoshiro Suzuki | 2010-08-31 |
| 7563927 | Process for producing (meth)acrylic acid or (meth)acrolein | Yasushi Ogawa, Shuhei Yada, Yoshiro Suzuki, Kenji Takasaki | 2009-07-21 |
| 7549341 | Method of maintaining a multitubular reactor | Yasushi Ogawa, Shuhei Yada, Yoshiro Suzuki, Kenji Takasaki | 2009-06-23 |
| 7544836 | Process for producing (meth)acrolein or (meth)acrylic acid | Yasushi Ogawa, Yoshiro Suzuki, Shuhei Yada | 2009-06-09 |
| 7528281 | Method for vapor phase catalytic oxidation | Shuhei Yada, Hirochika Hosaka, Teruo Saito | 2009-05-05 |
| 7396957 | Process for producing (meth)acrylic acids and process for distilling the same | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Hirochika Hosaka, Kenji Takasaki +1 more | 2008-07-08 |
| 7388107 | Process for producing (meth)acrylic acid or (meth)acrolein | Yasushi Ogawa, Yoshiro Suzuki, Shuhei Yada | 2008-06-17 |
| 7368601 | Process for producing (meth)acrylic acids and process for distilling the same | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Hirochika Hosaka, Kenji Takasaki +1 more | 2008-05-06 |
| 7297814 | Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor | Shuhei Yada, Hirochika Hosaka, Masayasu Goriki, Yasushi Ogawa, Yoshiro Suzuki | 2007-11-20 |
| 7258766 | Method for collecting acrylic acid | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki | 2007-08-21 |
| 7241919 | Storage tank for easily polymerizable compound and method of storage | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Hirochika Hosaka, Masayasu Goriki | 2007-07-10 |
| 7188639 | Storage tank for easily polymerizable compound and method of storage | Shuhei Yada, Yasushi Ogawa, Yoshiro Suzuki, Hirochika Hosaka, Masayasu Goriki | 2007-03-13 |
| 7189872 | Process for producing (meth)acrylic acid | Shuhei Yada, Kiyoshi Takahashi, Kenji Takasaki, Yasushi Ogawa, Yoshiro Suzuki | 2007-03-13 |
| 7144557 | Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor | Shuhei Yada, Hirochika Hosaka, Masayasu Goriki, Yasushi Ogawa, Yoshiro Suzuki | 2006-12-05 |
| 7119227 | Process for catalytic vapor phase oxidation | Yasuyuki Sakakura, Shuhei Yada, Hirochika Hosaka, Yoshiro Suzuki | 2006-10-10 |
| 7067695 | Method of vapor phase catalytic oxidation using multitubular reactor | Shuhei Yada, Hirochika Hosaka | 2006-06-27 |
| 6998505 | Process for producing (meth)acrylic acid compound | Shuhei Yada, Hirochika Hosaka | 2006-02-14 |
| 5264085 | Method of separating components of phenols mixture by distillation | Masashi Inaba, Yoshikazu Higaki, Mitsugi Kataoka, Norio Sato, Masayuki Honda | 1993-11-23 |