Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804366 | Speaker apparatus | Osamu Takahashi, Masanori Ito | 2004-10-12 |
| 6754362 | Speaker and speaker system | Osamu Takahashi, Masanori Ito, Kunio Mitobe | 2004-06-22 |
TK
Takeshi Kaiwa
Tohoku Pioneer: 2 patents #1 of 51Top 2%
Overall (2004): #39,366 of 270,089Top 15%
2
Patents 2004