Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4194919 | Method for increasing flexural strength of cement compositions | Kenichi Hattori, Shinji Iwai, Toshio Okuyama, Yuji Nakagawa, Takeo Maeda | 1980-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4194919 | Method for increasing flexural strength of cement compositions | Kenichi Hattori, Shinji Iwai, Toshio Okuyama, Yuji Nakagawa, Takeo Maeda | 1980-03-25 |