Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646868 | Physical quantity analyzing method and apparatus thereof | Masayuki Sagane | 1997-07-08 |
| 5631855 | Methods and apparatus for analyzing physical quantities and apparatus for reducing line spectrum noise | — | 1997-05-20 |