Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594803 | Silencing apparatus operable to reduce vehicle noise at a telephone | Masahiko Sakata, Mikio Ishizuka | 1997-01-14 |
SF
Susumu Fujiwara
Overall (1997): #73,729 of 185,788Top 40%
1
Patents 1997