Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636286 | Active noise reduction device for electronic apparatus | Tsutomu Hoshino, Atsushi Yamaguchi, Tadashi Ohashi | 1997-06-03 |
EM
Eiji Makabe
Overall (1997): #155,752 of 185,788Top 85%
1
Patents 1997