Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355100 | Corrosion inhibitor for cement compositions | Takao Furusawa, Takeo Ozawa, Yuki HAGIWARA | 2002-03-12 |
| 5350450 | Admixture for concrete mixes | Shigemi Matsuo, Hiroshi Nomachi, Hideo Ogawa, Minoru Ueda | 1994-09-27 |