Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590122 | Processes for producing polyesters and producing sorbic acid | Noboru Kamei, Akira Yamashita | 2003-07-08 |
| 6545180 | Process for the preparation of sorbic acid | Akira Yamashita | 2003-04-08 |
| 6525218 | Process for producing sorbic acid | Tadayuki Mitani, Noboru Kamei | 2003-02-25 |
| 6512142 | Potassium sorbate granulate and production processes thereof | Masayuki Okada, Kazuyuki Matsuoka, Noboru Kamei | 2003-01-28 |
| 6509498 | Process for the preparation of sorbic acid or salts thereof | Akira Yamashita | 2003-01-21 |
| 6495717 | Process for producing sorbic acid or salts thereof | Noboru Kamei | 2002-12-17 |
| 6489509 | Methods of storing aqueous potassium sorbate solution | Noboru Kamei | 2002-12-03 |
| 6462233 | Process for the preparation of sorbic acid | Akira Yamashita | 2002-10-08 |
| 6437182 | Process for the preparation of sorbic acid | Akira Yamashita | 2002-08-20 |