Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946865 | Dipropargyloxybenzene compounds and their production | Junya Takahashi | 1990-08-07 |
| 4870064 | Dipropargyloxybenzene compounds and their production | Junya Takahashi | 1989-09-26 |