Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907542 | Cleaning system for a horizontal type tube assembly | Takuzo Maeyama, Shigeru Shimojo, Keiichi Iwamoto, Masaaki Torichigai | 1990-03-13 |
| 4879973 | Automatic tube circumference scanning apparatus | Takuzo Maeyama, Shigeru Shimojo, Keiichi Iwamoto, Masaaki Torichigai, Kiyoshi Koizumi | 1989-11-14 |