Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810089 | Photoelastic effect measuring device | Takeo Murakoshi, Shigeo Tohyama, Sadao Minakawa, Aizo Kaneda | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810089 | Photoelastic effect measuring device | Takeo Murakoshi, Shigeo Tohyama, Sadao Minakawa, Aizo Kaneda | 1989-03-07 |