Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848973 | Grout material and grouting method using same | Shigekazu Horiya, Kenji Kita | 1989-07-18 |
| 4787597 | Cloth faced form for forming concrete | Shigekazu Horiya, Kenjiroh Tanaka | 1988-11-29 |
| 4730805 | Form for forming concrete | Shigekazu Horiya, Kenjiroh Tanaka | 1988-03-15 |