Tsukahara; Kengo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsukahara; Kengo.The latest application filed is for "high-selective production method of di(aminomethyl)-substituted aromatic compound".
- Tsukahara; Kengo - Niigata JP
| Patent | Date |
|---|---|
| Catalysts and process for producing aromatic amines Grant 7,468,342 - Kanamori , et al. December 23, 2 | 2008-12-23 |
| High-selective production method of di(aminomethyl)-substituted aromatic compound Grant 7,179,945 - Kanamori , et al. February 20, 2 | 2007-02-20 |
| High-selective production method of di(aminomethyl)-substituted aromatic compound App 20050277790 - Kanamori, Yoshinori ; et al. | 2005-12-15 |
| Catalysts and process for producing aromatic amines App 20020177735 - Kanamori, Yoshinori ; et al. | 2002-11-28 |
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