Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667463 | Heater, glow plug and water heater | — | 2003-12-23 |
| 6660971 | Heater and glow plug | Kouji Okuda | 2003-12-09 |
| 6627854 | Heater and glow plug | Chiaki Kumada, Shunsuke Goto | 2003-09-30 |