Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929092 | Speaker diaphragm | Yasuhisa Abe, Takashi Suzuki, Koji Matsumoto | 2005-08-16 |
| 6898292 | Electret microphone | Haruhisa Tanabe | 2005-05-24 |
KT
Koji Takayama
Citizen Electronics Co.: 1 patents #9 of 26Top 35%
Tohoku Pioneer: 1 patents #9 of 28Top 35%
Overall (2005): #46,331 of 245,428Top 20%
2
Patents 2005