Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279090 | Ceiling-frame construction method and ceiling-frame structure for clean rooms | Shigehisa Yamaguchi, Yoshiaki Kashiwase, Hiroshi Kagoyama | 1994-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279090 | Ceiling-frame construction method and ceiling-frame structure for clean rooms | Shigehisa Yamaguchi, Yoshiaki Kashiwase, Hiroshi Kagoyama | 1994-01-18 |