Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8450508 | Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same | Takashi Doi, Yoshihiro Yoshida, Satoru Fujitsu | 2013-05-28 |
| 8344166 | Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl) propanal and process for producing the same | Takashi Doi, Yoshihiro Yoshida, Satoru Fujitsu | 2013-01-01 |
| 8168809 | 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for production thereof | Takashi Doi, Yoshihiro Yoshida, Satoru Fujitsu | 2012-05-01 |
| 8039649 | Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the same | Takashi Doi, Yoshihiro Yoshida, Satoru Fujitsu | 2011-10-18 |