Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602469 | Apparatus for detecting the amplitude and phase of an a.c. signal | Toshiyuki Fujii, Shinzo Tamai, Hatsuhiko Naitoh | 1997-02-11 |
NT
Naohiro Toki
Overall (1997): #99,531 of 185,788Top 55%
1
Patents 1997