Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439140 | Device and method for combustion of fuel | Yoshihiko Sumitani, Toshiyuki Ishinohachi | 2002-08-27 |
| 6389998 | Device and method for combustion of fuel | Yoshihiko Sumitani, Toshiyuki Ishinohachi | 2002-05-21 |