Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675085 | Method and apparatus for measuring depth of crack for reinforced concrete construction | Masano Hayashi, Masatoshi Kimura, Kaoru Motegi, Jiro Tsuchikawa, Masayuki Hirose | 1997-10-07 |