Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8638208 | Method for generating turn-signal sound of vehicle and device using the same | — | 2014-01-28 |
| 6825614 | Short-arc discharge lamp | Masanori Sugihara | 2004-11-30 |
| 6437508 | Short-arc discharge lamp | Masanori Sugihara | 2002-08-20 |