Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224658 | Thiobacillus thiooxidansgrowth inhibitor, cement composition, and cement structure | Terunobu Maeda, Atsunori Negishi, Toshio Enokida, Reiko Tanaka | 2001-05-01 |
| 6159281 | Deterioration preventive for concrete or mortar and method for preventing deterioration of concrete or mortar | Toshio Enokida, Reiko Tanaka, Michiko Tamano | 2000-12-12 |
| 5668244 | Liquid polyesters from cyclic acid anhydrides | Miki Kawashima, Takeo Yamaguchi, Kunio Horiuchi | 1997-09-16 |