Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629461 | Method of producing 1,1,2,2,3-pentafluoropropane | Takashi Yasuhara, Hirokazu Aoyama, Eiji Seki | 1997-05-13 |
| 5599783 | Cleaning solvent composition and a method for cleaning or drying articles | Satoshi Ide, Takahiro Matsuda, Hirokazu Aoyama | 1997-02-04 |