Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8278481 | Method for producing (meth)acrylic acid | Kazuhiko Sakamoto, Toyofumi Sakai | 2012-10-02 |
| 7511172 | Method for production of (meth)acrylic acid | Harunori Hirao, Kouji Ueno, Takeshi Yokogoshiya | 2009-03-31 |
| 7368602 | Process for producing (meth) acrylic acid | Toyofumi Sakai | 2008-05-06 |
| 7332626 | Method for production of (meth) acrylic acid | Harunori Hirao, Kouji Ueno, Takeshi Yokogoshiya | 2008-02-19 |
| 7321060 | Method for production of acrylic acid | Kouji Ueno, Harunori Hirao, Takeshi Yokogoshiya | 2008-01-22 |
| 7183428 | Method for production of acrylic acid | Kouji Ueno, Harunori Hirao, Takeshi Yokogoshiya | 2007-02-27 |
| 7151194 | Method for production of acrylic acid | Kouji Ueno, Harunori Hirao, Takeshi Yokogoshiya | 2006-12-19 |
| 6900346 | Method for decomposition of michael type adduct | Fumio Shibusawa, Kazuhiko Sakamoto | 2005-05-31 |
| 6870066 | Method for decomposition of Michael type adduct | Fumio Shibusawa, Kazuhiko Sakamoto | 2005-03-22 |
| 6300513 | Method of stabilizing N-oxyl compounds in vinyl compounds | Kazuhiko Sakamoto, Kouji Ueno, Sei Nakahara, Masatoshi Ueoka | 2001-10-09 |