Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341167 | Speaker | Masatoshi Okuyama, Masahide Sumiyama, Kazurou Okuzawa | 2002-01-22 |
MF
Mutsufumi Fujii
Overall (All Time): #3,534,703 of 4,157,543Top 90%
1
Patents All Time