Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7674898 | Anhydrous crystal of β-lactam compound and method for preparation thereof | Akihiro Shimabayashi | 2010-03-09 |
| 6274730 | Process for producing halogenated .beta.-lactam compound | Akihiro Shimabayashi, Ichirou Kawahara, Hiroaki Asai | 2001-08-14 |