Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5767295 | Process for producing 2-substituted optically active 2,3-dihydro-4H-pyran-4-one | Junzo Hasegawa | 1998-06-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5767295 | Process for producing 2-substituted optically active 2,3-dihydro-4H-pyran-4-one | Junzo Hasegawa | 1998-06-16 |