Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356687 | Window frame for concrete wall panel | Hiroaki Nakagawa, Shin Terauchi, Takeo Kikuchi, Shinnosuke Aiba, Mikio Kobayashi +10 more | 1994-10-18 |
| 5308696 | Carbon fiber-reinforced cement material and method for preparing same | Kazuhiko Hanashita, Koji Sakata, Shigeru Kanamaru, Toshiyuki Nawa, Kozo Toyama +2 more | 1994-05-03 |