Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452213 | Process and apparatus for preparing mixture comprising granular materials such as sand, powder such as cement and liquid | Yasuro Ito, Toshio Hirose, Yukikazu Tsuji | 1995-09-19 |
| 5316572 | Method of manufacturing concrete for placement in air not requiring consolidation | Koichi Maekawa, Kazumasa Ozawa | 1994-05-31 |
| 4949057 | Distributed constant type delay line device and a manufacturing method thereof | Taeko Ishizaka, Yoshihiko Kasai | 1990-08-14 |