Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627140 | Method for manufacturing diaphragm for loudspeaker | Hitoshi Sato, Sinya Mizone, Kiyoshi Ikeda | 2003-09-30 |
HY
Hiroko Yamazaki
Overall (2003): #209,857 of 273,478Top 80%
1
Patents 2003