Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845642 | Display device for complex transmission reflection characteristics | Hiroshi Itaya | 1989-07-04 |
| 4812738 | Apparatus for analyzing transmission/reflection characteristics | Hiroshi Itaya | 1989-03-14 |
| 4802106 | Sweep marker display apparatus for polar coordinate display | Hiroshi Itaya | 1989-01-31 |