Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792122 | Acoustic device | Haruo Okada, Takashi Ohyaba, Tohru Nagatani, Katsutoki Hanayama | 2004-09-14 |
| 6771075 | Air ion measuring device | Yoshiaki Aiki | 2004-08-03 |
ST
Shunichi Takahashi
Overall (2004): #41,224 of 270,089Top 20%
2
Patents 2004