Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744193 | Method of sealing water leakage in concrete structures | Yoshihiko Ogawa, Toshio Hiramatsu, Hideo Senga, Takehiko Tokoro | 1988-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744193 | Method of sealing water leakage in concrete structures | Yoshihiko Ogawa, Toshio Hiramatsu, Hideo Senga, Takehiko Tokoro | 1988-05-17 |