Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099947 | Hybrid material and method of manufacturing the same | Tadashi Kobayashi | 2000-08-08 |
| 5651816 | Cement, cement products, molding material, concrete member and a method of producing the same | Tadashi Kobayashi, Masaki Hasegawa | 1997-07-29 |
| 5614009 | Cement, cement products, molding material, a concrete member and a method of producing the same | Tadashi Kobayashi, Masaki Hasegawa | 1997-03-25 |
| 5609680 | Cement, cement products, molding material, a concrete member and a method of producing the same | Tadashi Kobayashi, Masaki Hasegawa | 1997-03-11 |