Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435846 | Cement-additive for inhibiting concrete-deterioration | Hidenobu Tatematsu, Tohru Nakamura, Hitoshi Koshimizu, Hideki Kotaki | 1995-07-25 |
| 4371656 | Metal substituted zeolites as stabilizers for halogen-containing resins | Kohji Kashiwase, Yasuo Machino, Muneo Mita, Tsunenosuke Hiramatsu, Mitsuo Taniguchi | 1983-02-01 |