Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9522868 | Tetrakis(ether-substituted formylphenyl) | Tatsuya Iwai | 2016-12-20 |
| 8816135 | Trisphenol compound | Shihoko Nakano | 2014-08-26 |
| 8563770 | Bis(formylphenyl) compound and novel polynuclear polyphenol compound derived from the same | Tatsuya Iwai | 2013-10-22 |
| RE43067 | Method for producing new polynuclear poly(formylphenol) | Tatsuya Iwai, Kentaro Watanabe | 2012-01-03 |
| 7875743 | Bis(formylphenyl)alkane and novel polynuclear phenol derived from the same | — | 2011-01-25 |
| 7858819 | Tris(formylphenyl) and novel polynuclear phenol derived therefrom | Tatsuya Iwai | 2010-12-28 |
| 7750190 | Method for producing new polynuclear poly(formylphenol) | Tatsuya Iwai, Kentaro Watanabe | 2010-07-06 |
| 7586009 | Bis-(hydroxybenzaldehyde) compound and novel polynuclear polyphenol compound derived therefrom and method for production thereof | Tatsuya Iwai | 2009-09-08 |
| 7456323 | 1,3-bis(3-formyl-4-hydroxyphenyl)adamantanes and polynuclear polyphenols derived therefrom | Tatsuya Iwai, Kentaro Watanabe | 2008-11-25 |
| 6242533 | Novolak type phenol resin | Yoshiaki Kurimoto, Katsuhiro Maruyama, Satoru Yoshida, Satoru Kitano | 2001-06-05 |
| 6211328 | Phenol resin | Yoshiaki Kurimoto, Katsuhiro Maruyama, Satoru Yoshida, Satoru Kitano | 2001-04-03 |