Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8962898 | Optically active ammonium salt compound, production intermediate thereof, and production method thereof | Yasushi Kubota | 2015-02-24 |
| 8722919 | Process for production of mono-substituted alkylated compound using aldimine or derivative thereof | Toru Inoue, Jun Matsumoto | 2014-05-13 |
| 8716524 | Optically active quaternary ammonium salt having axial asymmetry and process for producing a-amino acid and derivative thereof with the same | — | 2014-05-06 |
| 8697910 | Optically active quaternary ammonium salt having axial asymmetry and process for producing α-amino acid and derivative thereof with the same | — | 2014-04-15 |
| 8614316 | Optically active quaternary ammonium salt having axial asymmetry and process for producing α-amino acid and derivative thereof with the same | Yukifumi Nishimoto, Kenichiro Yamamoto | 2013-12-24 |
| 8367820 | Optically active ammonium salt compound, production intermediate thereof, and production method thereof | Yasushi Kubota | 2013-02-05 |
| 8263798 | Optically active quaternary ammonium salt having axial asymmetry, and method for producing alpha-amino acid and derivative thereof by using the same | Kenichiro Yamamoto, Yukifumi Nishimoto | 2012-09-11 |
| 8252952 | Optically active quaternary ammonium salt having axial asymmetry, and method for producing alpha-amino acid and derivative thereof by using the same | Kenichiro Yamamoto, Yukifumi Nishimoto | 2012-08-28 |
| 8110680 | Optically active quaternary ammonium salt having axial asymmetry, and method for producing alpha-amino acid and derivative thereof by using the same | Kenichiro Yamamoto, Yukifumi Nishimoto | 2012-02-07 |
| 7928224 | Optically active quaternary ammonium salt having axial asymmetry and process for producing α-amino acid and derivative thereof with the same | — | 2011-04-19 |
| 7566779 | Optically active quaternary ammonium salt, process for producing the same, and process for producing optically active α-amino acid derivative with the same | — | 2009-07-28 |
| 6441231 | Optically active quarternary ammonium salt with axial chirality, method for producing thereof, and application thereof for asymmetric synthesis of &agr;-amino acid | — | 2002-08-27 |
| 6340753 | Optically active quarternary ammonium salt with axial chirality, method for producing thereof, and application thereof for asymmetric synthesis of &agr;-amino acid | — | 2002-01-22 |
| 4798903 | Optically active 3,3'-disilylbinaphthol derivatives | Hisashi Yamamoto | 1989-01-17 |