Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691921 | Cement admixture and method for producing the same | Hideo Asano | 2010-04-06 |
| 7304104 | Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened product | Hiromichi Tanaka, Toru Uno, Yoshiyuki Onda, Tsuyoshi Hirata | 2007-12-04 |
| 7253220 | Cement admixture and cement composition | Hiromichi Tanaka, Toru Uno, Yoshiyuki Onda, Tsuyoshi Hirata | 2007-08-07 |
| 7125944 | Cement admixture and cement composition | Hiromichi Tanaka, Tsuyoshi Hirata, Toru Uno, Yoshiyuki Onda | 2006-10-24 |
| 6911494 | Cement admixture and cement composition | Hiromichi Tanaka, Tsuyoshi Hirata, Toru Uno, Yoshiyuki Onda | 2005-06-28 |
| 6727315 | Copolymer for cement admixtures and its production process and use | Masaya Yamamoto, Toru Uno, Yoshiyuki Onda, Hiromichi Tanaka, Tsuyoshi Hirata +1 more | 2004-04-27 |
| 6569234 | Cement dispersant and cement composition comprising this | Hiromichi Tanaka, Masaya Yamamoto, Toru Uno, Yoshiyuki Onda, Tsuyoshi Hirata | 2003-05-27 |
| 6454850 | Cement admixture and cement composition comprising this | Hiroshi Mitsukawa, Tsuyoshi Hirata | 2002-09-24 |
| 6294015 | Cement admixture and cement composition | Tsuyoshi Hirata, Tsutomu Yuasa, Hirokazu Niwa | 2001-09-25 |
| 6087418 | Cement admixture and cement composition | Tsuyoshi Hirata, Tsutomu Yuasa, Hirokazu Niwa | 2000-07-11 |