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 | Susumu Fujiwara, Mikio Ishizuka | 1997-01-14 |
MS
Masahiko Sakata
Overall (1997): #107,297 of 185,788Top 60%
1
Patents 1997