Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211760 | Membrane switch | Tsuyoshi Takiguchi, Daisuke Hiraoka, Osamu Hirata, Naoki Iwao | 2007-05-01 |
| 7019225 | Depression responsive switch unit | Naoki Iwao | 2006-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211760 | Membrane switch | Tsuyoshi Takiguchi, Daisuke Hiraoka, Osamu Hirata, Naoki Iwao | 2007-05-01 |
| 7019225 | Depression responsive switch unit | Naoki Iwao | 2006-03-28 |