Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709157 | Method and apparatus for inspecting web surface | Shigehisa Shimizu | 1987-11-24 |
| 4657198 | Apparatus for measuring the thickness of a roll winding on or unwinding from a core | Shigehisa Shimizu | 1987-04-14 |